If the period of a simple pendulum is T and we increase its length so that it is four times longer, what will the new period be? T/4 It is unchanged. T/2 2T 4T

Answer:

Religion

Explanation:

Religion is a big factor. Many people believe that the Big Bang DID happen while some believe it to be incorrect due to religious beliefs. I can guarantee if you ask people on the street about the Big Bang, someone will say something about religion. The Theory goes against every religions beliefs as to how the universe was created.

Final answer:

The Big Bang theory, supported by evidence like the CMB and Hubble expansion, may be controversial among nonscientists due to misunderstandings and challenges to personal beliefs. It describes the universe's expansion from a hot, dense state, not an explosion in space. Clarification of common misconceptions is essential for better public understanding.

Explanation:

The Big Bang theory is a cornerstone of modern astrophysics and cosmology, and it describes the universe's birth approximately 13.7 billion years ago from an extremely hot, dense state. Following this, the universe has been expanding and cooling ever since. One crucial piece of evidence for the Big Bang theory is the cosmic microwave background (CMB), which is seen as the remnant heat from the early universe. Moreover, the observed Hubble expansion, where galaxies are moving away from us, supports the idea of an expanding universe.

Many nonscientists may find the Big Bang theory controversial due to a variety of reasons. These objections might stem from misunderstandings about the nature of the theory, as it is not an explosion in the common sense but rather an expansion of space-time itself. Additionally, the Big Bang theory can challenge certain philosophical or religious beliefs about the origin of the universe. This discord may be due to the theory's implications that are difficult to reconcile with personal beliefs or due to a lack of familiarity with the scientific evidence and reasoning that supports the theory.

It is important to note that the Big Bang theory is not an 'explosion' from a single point in space, but instead a rapid expansion of space itself in all directions. Misconceptions like this often contribute to the controversy surrounding the theory among nonscientists. To address such misconceptions and provide a clearer understanding, resources like the scientific article by Lineweaver and Davis titled "Misconceptions about the Big Bang" explain the fundamental concepts using the framework of general relativity.

There are total 5 number of conditions which are required in Hardy Weinberg Equilibrium to be established, of which no mutations, random mating and no natural selection, are given in the option.

Answer: A, B, F

Explanation:

To acquire the Hardy Weinberg equilibrium in the specified population, it must be kept in check for the random mating as given in the option. Other conditions are to have a large population which are free to mate and breed. Then there must be no allelic change in frequency as a result of mutation and mutation is allowed. The gene flow or the immigration of population or the emigration is not allowed. There must be no natural selection.  

Answer:

A. no mutations

B. random mating

F. no natural selection

Explanation:

Just did it

The correct order of events in the development of rip currents is: (A) waves travel to the beach, (E) waves are broken by the sandbars, (C) waves reach the shore and the backwash returns to the ocean, and finally, (D) waves speed up and flow between the sandbars causing rip currents.

The order of events in the development of rip currents, which are strong channels of water flowing away from shore, can be described as follows:

The correct sequence, therefore, is A, E, C, D, B: A. Waves travel to the beach, E. Waves are broken by the sandbars, C. Waves reach the shore and go back to the ocean, D. Waves speed up and flow between the sandbars, B. Waves are trapped by the sandbars.

In the last step, the waves being trapped refers to the water that is pushed back towards the sea after the waves have broken, contributing to the formation of the rip current.

Answer:

562.5 m

Explanation:

The vertical position of the ball is given by

[tex]y=h+ut+\frac{1}{2}gt^2[/tex]

where

h is the height of the tower (the initial position of the ball)

u = 100 m/s is the initial velocity of the ball (positive because it points upwards)

g = -9.8 m/s^2 is the acceleration due to gravity (negative because it points downward)

t is the time

Substituting t =25 s and y = 0 (at t=25 s, the height of the ball is zero, since it has reached the base of the tower), we can re-arrange the equation to find h:

[tex]h=y-ut-\frac{1}{2}gt^2 = 0-(100 m/s)(25 s) - \frac{1}{2}(-9.8 m/s^2)(25 s)^2 = 562.5 m[/tex]

Phase changes in matter, such as an ice cube melting, are transitions between different forms of matter (solid, liquid, and gas) brought about by the addition or removal of heat. This alters the energy state of the substance and is influenced by the relative strengths of intermolecular attractions.

A phase change, as seen in the example of an ice cube melting, represents the transition of matter from one state to another. Phase changes include situations like melting (solid to liquid), vaporization (liquid to gas), and sublimation (solid to gas), all of which require an input of heat and are endothermic. Conversely, phase changes to a less energetic state, like condensation (gas to liquid) and freezing (liquid to solid), involve the removal of heat and are exothermic.

Such transitions are triggered either by adding or removing heat, which changes the energy state of the substance. The temperatures at which these transitions occur are reliant on the relative strengths of intermolecular attractions, which depend on the chemical identity of the substance in question. These transitions play an integral role in the study of heat flow and are crucial to our understanding of matter and energy.

https://brainly.com/question/32745747

#SPJ12

All phase changes are examples of physical changes.

True. An example of a phase change is an ice cube melting.

Phase change is the transition of a substance from one state of matter to another. The three primary states of matter are solid, liquid, and gas. All phase changes are examples of physical changes.

Melting is a phase change where a solid substance changes into a liquid state. When an ice cube melts, it changes from a solid to a liquid state, which is a physical change. The composition of the ice cube remains the same during this phase change.

Learn more about Phase Changes here:

https://brainly.com/question/32745747

#SPJ3

The complete question is below:

All phase changes are  ?  

An example of a phase change is an ice cube melting. true/false?

Answer:

[tex]v = 18.4 m/s[/tex]

Explanation:

When it reached to the top of the path the normal force is given as

[tex]F_n = 370 N[/tex]

initially the reading of the sensor will give the amount of the weight of the object

[tex]W = mg = 740 N[/tex]

[tex]m = 75.4 kg[/tex]

now at the top position of the path we will have

[tex]F_n + mg = \frac{mv^2}{R}[/tex]

[tex]370 + 740 = \frac{(75.4)v^2}{23}[/tex]

[tex]1110 = 3.28 v^2[/tex]

[tex]v = 18.4 m/s[/tex]

The speed of the rider at the top of the loop cannot be calculated with the given information.

To find the speed of the rider at the top of the loop, we can use the concept of centripetal force. In this case, the normal force provides the centripetal force required to keep the rider moving in a circular path. At the top of the loop, the normal force is equal to the sum of the rider's weight and the centripetal force:

N = mg + ω2r 

Where N is the normal force, m is the mass of the rider, g is the acceleration due to gravity, ω is the angular velocity (which is equal to the speed divided by the radius), and r is the radius of the loop. We can rewrite this equation as:

 ω = √(N/m - g)

 Given that the normal force at the top of the loop is 370 N and the radius is 23 m, we can calculate the speed:

 ω = √(370/740 - 9.8)

 ω = √(0.5 - 9.8)

 ω = √(-9.3)

Since the square root of a negative number is not a real number, it means that the rider does not have enough speed to complete the loop. Therefore, it is not possible to calculate the speed of the rider at the top of the loop based on the given information.

https://brainly.com/question/2925132

#SPJ3

The motion of a pendulum is predominantly affected by gravity, creating a restoring force, and the tension in the string, which guides the pendulum's arc-like oscillation. The period of a pendulum is dependent on its length and the acceleration due to gravity, not the mass of the bob.

In addition to gravity, the other predominant force affecting the motion of a pendulum is the restoring force arising from the tension in the string. This force is crucial for the oscillation of the pendulum. When a pendulum swings, gravity acts to pull it back towards the equilibrium position, creating a restoring force that is a component of the gravitational force. As the pendulum moves, the tension in the string exerts a force perpendicular to the direction of gravity, which along with the component of gravity, causes the pendulum to follow an arc-like path.

The motion of a pendulum is not affected by the mass of the bob; instead, it is the length of the pendulum and the acceleration due to gravity that determines its period. For a simple pendulum, the period formula shows that the period (T) is independent of the mass and is given by T = 2π√(L/g), where L is the length and g is the acceleration due to gravity.

Thus, the primary forces that cause a pendulum to oscillate are gravity, providing the restoring force, and the tension in the string, allowing for the pendulum's arc path during its swing.

Explanation:

Radiant energy is transmitted through the electromagnetic waves, that is, the light in all its spectrum. This energy is characterized by its propagation in vacuum, without needing a medium or material.

This energy can also be transformed into thermal energy by transmitting heat by radiation.

Answer:

F(t)=19.84N

Explanation:

The rest is in the picture.

F(t)=19.84N.

When two bodies in contact move with respect to each other, rubbing the surfaces in contact, the friction between them is called kinetic friction.

Kinetic friction f_k=\mu _k \times N

where \mu _k is the coefficient of kinetic friction and N is the normal force.

Here the block will experience forces,

1) The normal force  N  in the upward direction

2) The gravitational force F=Mg in the downward direction

3) The tension T, say in the right direction

4) The kinetic friction f_k =\mu _k \times N in the left direction

For vertical equilibrium, N=Mg

We have kinetic friction f_k =\mu _k \times N=\mu _k \times Mg

As the block moves towards the right with an acceleration,

Total force on the block f_t_o_t_a_l=Ma=T-f_k

Ma= T- \mu \times Mg

T=Ma+\mu _k\times Mg

= M(a+\mu_kg)

=4×(3+ 0.2×9.8)

=19.84 N

The tension in the string is 19.84 N.

In static friction, the frictional force resists the force that is applied to an object, and the object remains at rest until the force of static friction is overcome. In kinetic friction, the frictional force resists the motion of an object.

Learn more about kinetic friction at

https://brainly.com/question/20241845

#SPJ2

Answer: It states, rather than explains, the relationship between the variables.

Explanation:

Let's start by defining  theory and law:

Theory is the set of rules and principles that describe and explain a particular phenomenon.

In other words: It refers to the explanation of the functioning of things.

Another important point is that the theory is subject to changes as new evidence emerges that gives meaning to it.

On the other hand, a Law is an affirmation (something established) based on repeated long-term observation of a phenomenon that has been studied and verified.

That is: A law is present in all known theories and therefore is considered universal. In addition, a law can not be refuted, nor changed,  because its precepts have been proven through various studies.

Then, based on what is explained above, the statement "force equals mass times acceleration" is a law because it is a statement that exists because it was rigorously tested and verified, therefore it can not be refuted.

It can go through the all the states: solid, liquid, and gas.

On the ground, it is a liquid as water.  Then, it evaporates and becomes water vapor, a gas.  As it condensates, little droplets of vapor come together.  Then, it falls to the Earth as liquid water or frozen as solid snow/sleet/hail in precipitation.

Hope this helps!!

Final answer:

During the water cycle, water changes states from solid (ice and snow) to liquid (in bodies of water and clouds) to gas (water vapor) through processes like evaporation, condensation, and precipitation.

Explanation:

States of Matter in the Water Cycle

The water cycle involves water going through different states of matter: solid, liquid, and gas. Water in its solid state includes ice and snow. When energy is added to solid water, it melts into its liquid state, which is found in ground water, lakes, oceans, and clouds. As more heat is applied, water becomes a gas in the form of water vapor. This cycling involves several key processes, such as evaporation (liquid to gas), condensation (gas to liquid), precipitation (liquid to solid or liquid), and possibly sublimation (solid directly to gas).

Changing states within the water cycle are crucial as matter is recycled on Earth, allowing ecosystems to function properly. As heat is applied or removed, water transitions between these states, facilitating nutrient and energy flows vital for all living organisms. The processes mentioned above, like evaporation and condensation, are continuously happening all around the planet, enabling the water cycle to sustain life on Earth.

(a) 2.97 m

The wavelength of an electromagnetic wave is given by:

[tex]\lambda = \frac{c}{f}[/tex]

where

[tex]\lambda[/tex] is the wavelength

c is the speed of light

f is the frequency

For the radio wave in the problem, the frequency is

[tex] f = 101 MHz = 101 \cdot 10^6 Hz[/tex]

Therefore, the wavelength is

[tex]\lambda = \frac{3\cdot 10^8 m/s}{101\cdot 10^6 Hz}=2.97 m[/tex]

(b) [tex]1.05\cdot 10^{-4} W/m^2[/tex]

The intensity of the radio signal is given by

[tex]I=\frac{P}{A}[/tex]

where

P is the power of the signal

A is the area over which the signal is radiated

In this situation:

P = 50,000 W is the power

the area is a hemisphere with a radius of

r = 8.70 km = 8700 m

So the area to be considered is

[tex]A=2\pi r^2 = 2\pi (8700 m)^2=4.76\cdot 10^8 m^2[/tex]

Therefore, the intensity of the signal is

[tex]I=\frac{50000 W}{4.76\cdot 10^8 m^2}=1.05\cdot 10^{-4} W/m^2[/tex]

(c) 0.281 V/m

The intensity of an electromagnetic wave can be written as

[tex]I=\frac{1}{2}c\epsilon_0 E^2[/tex]

where

c is the speed of light

[tex]\epsilon_0[/tex] is the vacuum permittivity

E is the amplitude of the electric field

Re-arranging the equation, we get

[tex] E=\sqrt{\frac{2I}{c \epsilon_0}}[/tex]

And substituting

[tex]I=1.05\cdot 10^{-4} W/m^2[/tex]

we find

[tex] E=\sqrt{\frac{2(1.05\cdot 10^{-4} W/m^2)}{(3\cdot 10^8 m/s)(8.85\cdot 10^{-12} F/m)}}=0.281 V/m[/tex]

Answer: 0.313 rad/s

Explanation:

The equation that relates the velocity [tex]V[/tex] and the angular velocity [tex]\omega[/tex] in the uniform circular motion is:

[tex]V=\omega.r[/tex]   (1)

Where [tex]r=d/2=100m[/tex] is the radius of the space station (with a diaeter of 200m) that describes the uniform circular motion.

Isolating [tex]\omega[/tex] from (1):

[tex]\omega=\frac{V}{r}[/tex]  (2)

On the other hand, we are told the “artificial gravity” produced by the cetripetal acceleration [tex]a_{c}[/tex] is [tex]9.8m/s^{2}[/tex], and is given by the following equation:

[tex]a_{c}=\frac{V^{2}}{r}[/tex]   (3)

Isolating [tex]V[/tex]:

[tex]V=\sqrt{a_{c}.r}[/tex]   (4)

[tex]V=31.3049m/s[/tex]   (5)

Substitutinng (5) in (2):

[tex]\omega=\frac{31.3049m/s}{100m}[/tex]  (6)

[tex]\omega=0.313rad/s[/tex] This is the angular velocity that would produce an “artificial gravity” of 9 [tex]9.8m/s^{2}[/tex].

The angular velocity that would produce an artificial gravity of 9.80 m/s^2 at the rim of the space station is 0.221 m/s.

To calculate the angular velocity required to produce an artificial gravity of 9.80 m/s2, we can use the equation ac = rω2. Here, ac is the centripetal acceleration, r is the radius of the space station, and ω is the angular velocity. Rearranging the equation, we get ω = sqrt(ac/r), where sqrt is the square root function. Plugging in the given values, we have ω = sqrt(9.80 m/s2 / 200 m) = 0.221 m/s. Therefore, the angular velocity that would produce an artificial gravity of 9.80 m/s2 at the rim of the space station is 0.221 m/s.

https://brainly.com/question/30733452

#SPJ11

Answer:

A

Explanation:

v = 3*10^8

f = 4*10^18

wavelength = v/f

=3*10^8 / 4*10 ^18

=7.5*10^-11

Explanation:

Mass is defined as the amount of matter that makes up a body; which is measured by its inertia.  

It should be noted that inertia is a property of bodies or objects that is related to resistance to changes in its state of motion. So, the amount of inertia that a body possesses depends on its quantity of matter, that is, its mass.

The amount of inertia an object has is determined by its mass. An object with a larger mass will have greater inertia.

The amount of inertia an object has is determined by its mass. Inertia is the property of an object that resists changes in its motion. The more mass an object has, the greater its inertia. This means that an object with a larger mass will require more force to accelerate or decelerate compared to an object with a smaller mass.

For example, a heavy book will be harder to push than a lightweight book because it has more inertia due to its greater mass.

https://brainly.com/question/33538421

#SPJ11

Answer:

204.1 Hz

Explanation:

The fundamental frequency of a vibrating string is given by:

[tex]f=\frac{1}{2L}\sqrt{\frac{T}{\mu}}[/tex]

where

L is the length of the string

T is the tension in the string

[tex]\mu[/tex] is the linear mass density of the string

For the wire in this problem, we have

L = 2.00 m

T = 8.00 kN = 8000 N

[tex]\mu = 12.0 g/m = 0.012 kg/m[/tex]

Therefore, substituting into the equation, we find the frequency of the string:

[tex]f=\frac{1}{2(2.00 m)}\sqrt{\frac{8000 N}{0.012 kg/m}}=204.1 Hz[/tex]

The frequency of the fundamental mode of vibration of the piano wire which is 2.00 meters long, has a linear mass density of 12.0 g/m and under a tension of 8.00 kilonewtons is approximately 257.247 Hz.

The fundamental frequency of vibration of the piano wire can be calculated using the formula for the frequency of a vibrating string:

f = 1/2L * sqrt(T/μ)

Where:

In this case, L = 2.00 m, T = 8.00 * 10^3 N (since 1 kilonewton equals 1,000 newtons), and μ = 0.012 kg/m. Hence, substituting these values gives:

f = 1/(2*2.00 m) * sqrt((8.00 * 10^3 N)/(0.012 kg/m))

After calculating, the frequency of the fundamental mode of vibration of this wire is found to be approximately 257.247 Hz.

https://brainly.com/question/141640

#SPJ3

Hello There!

The law of conservation of mass states that "Matter/substances/energy cannot be created or destroyed, it can only be transferred from one state to state.

Answer:

Most of the alpha particles passed through the gold foil without deflection, except for a small percentage.

Explanation:

Answer:

Most of the alpha particles passed through the gold foil without deflection, except for a small percentage.

Explanation:

 The Rutherford experiment throw some interesting results where the most particles passed the gold foil like they where in vacuum, but others particles dispersed with large angle even thought some of them bounce back.

 Rutherfor explain tis behavior assuming that the positive charge in an atom its concentrate in a region called nucleus, where this nucleus its very small compared with the size of the atom.

 The alpha particles used in the experiment where identified as a helium nucleus particles.

Answer:

steam at 110 degrees celsius

Explanation:

this is because the steam is at the highers temp

The particles move most rapidly in steam at 110°C. This is because steam represents water in its gaseous state, where the particles have the highest kinetic energy compared to the other options provided. The correct answer isc.

The particles in a substance move more rapidly as the temperature increases. Given the choices a. ice at -20 °C, b. water at 20 °C, c. steam at 110 °C, d. boiling water, and e. ice at 0 °C, the particles would move most rapidly in steam at 110 °C. This is because at higher temperatures, the particles gain kinetic energy and thus move faster.

Between solid ice and liquid water, the particles in the liquid water move faster, but not by as much as one might expect; there is only a 0.4% difference in average speed between ice at -1°C and water at 1°C. Therefore, steam at a temperature higher than boiling water will have the most rapidly moving particles among the options provided.

Answer:

The ozone appears in Antarctica during the Arctic spring.

Explanation:

From September to early December, strong winds start to circulate around the Arctic and creates an atmospheric container.

Answer:

D. Kepler's law can be deduced from Newton's laws of motion and gravity.

Explanation:

Answer:

D. Kepler's laws can be deduced from Newton's laws of motion and gravity.

Explanation:

19. Answer:

It is because the gravitational force of Earth on a car is much more than the magnetic force from a refrigerator magnet. The gravitational force of earth on an object is directly proportional to the mass of the object. Due to the large mass of the car. the gravitational force on it is much greater and a refrigerator magnet cannot be used to lift the car.

20. Answer:

No, a magnet can never have a single pole. When cut in half, it develops two poles again

This is explained by Gauss's law of magnetism according to which the divergence of magnetic field is zero. The magnetic field lines must form a closed loop. In order to form a balanced closed loop, a magnet must have two poles.

21. Answer:

If the frequency of a wave is increased, the wavelength decreases.

Let us assume a wave with velocity v and wavelength λ is moving with a frequency f. We know that the velocity of a wave is always constant and is given as:

v = fλ

or λ=v/f

the relationship between λ and f is given as:

λ ∝ 1/f

When frequency is increased, the wavelength decreases.

22. Answer:

Wavelength of an ocean wave = λ = 10 m

Frequency of the ocean wave = f = 4.0 Hz

Velocity of the wave = v = ?

We know that for a wave with wavelength λ and frequency f, the velocity of that wave is given by the formula:

                             v = fλ

Using the given values in the formula:

v = (4 Hz)(10 m)

v = (4 s⁻¹)(10 m)                     (f = 1/T and Hz = s⁻¹)

v = 40 ms⁻¹

23. Answer:

If the sound of a siren becomes lower in pitch, it means that the vehicle is moving away from you. This is because of Doppler's effect.

According to Doppler's effect, when the source is moving away from a stationary receiver, the wavelength of the wave increases and thus the frequency f of the wave decreases to frequency f'.

f' = f(V/(V + Vs)         (V = velocity of wave ;   Vs = Velocity of source)

24. Answer:

Two astronauts in space are unable to hear each other. This is because sound waves cannot travel in space.

Sound waves are longitudinal waves. They need a medium to travel. Sound travels to our year by vibrating through the air molecules. In deep space, there are no molecules to vibrate. So there is no sound.

25. Answer:

Electromagnetic waves can transfer energy through vacuum.

EM waves are produced from an oscillating charged particles. It contains electric field waves and magnetic field waves oscillating perpendicular to each other. The plane of propagation of EM wave is in a plane perpendicular to both of them.

Once in motion, EM waves are self-perpetuating. Change is one field produces the other and so on.

26. Answer:

Three types of electromagnetic waves:

Ultraviolet rays:

Waves that have wavelength just shorter than the visible rays. Example is the UV radiations from the sun that cause sunburns.

X-rays:

X-rays have wavelength even shorter than UV radiations. Example: X-rays are used to take pictures of bones. They can penetrate through skin and muscles.

Gamma rays:

Gamma rays are the shortest waves and have the most energy. Example: Gamma rays used in treating cancer.

27. Answer:

A leaf usually appears to be green because chlorophyll absorbs light in the red and the blue regions of the visible light spectrum. Green light is not absorbed but reflected, making the plant appear green. Similarly, A red flower appears red because it reflects wavelengths most strongly in the red part of the spectrum. Light in the other range is absorbed.

28. Answer:

Light waves have different speed in different mediums.

On reflection, it remains in the same medium. So the speed of light also remains constant.

In refraction, the medium changes and the speed changes as well. Light is slower in denser mediums. Velocity of the light wave will decrease in a denser medium. To keep frequency constant, the wavelength of the wave will also shorten.

29. Answer:

A Convex lens converges the light rays towards the principal axis. Where as a Concave lens diverges the light rays away from the principal axes.

Convex lens is thicker at the center while Concave lens is thinner at the center.

Convex lens has a positive focal length while the concave lens has a negative focal length.

30. Answer:

The mirror used in rear-view mirror of a car are slightly curved (convex mirror).

The mirror is curved in an attempt to eliminate blind spots for the driver, making it safer and easier to view objects on the back of the vehicle.

The warning, "Objects in mirror are closer than they appear." is important because it is true. The image formed by a convex mirror is far than that of the actual objects. So, the driver is warned.

Answer:

Explanation:

The balance condition, to keep the gate from moving, requires that the net torque be zero, this is, the torques on both sides of the gate must be equal.

a) Torque applied by one of the children:

b) Torque applied by the second child:

c) Equilibrium condition:

In this Physics question involving torque, the second child needs to exert a force of about 233 N to ensure the gate remains stationary.

This is a problem involving the concept of torque in Physics. Torque, denoted by 'τ', is a measure of how much force acting on an object causes it to rotate. The torque produced by a force can be calculated using the formula τ = rFsinθ, where 'r' is the force applied, 'F' is the force, and the distance between the pivot point and the force application

'F' is the force applied, and 'θ' is the angle between the force vector and the line connecting the point of application and the pivot.

In this context, though, since the forces are applied perpendicularly, you can use a simplified version: τ = rF. For the gate to remain stationary, the torques exerted by the children must be equal, i.e., τ₁ = τ₂.

This means that (0.59 m * 170 N) = (0.43 m * F₂).

Solving the equation for F₂ (the force the second child has to exert) gives you F₂ = (0.59 m * 170 N) / 0.43 m, which computes to approximately 233 N.

https://brainly.com/question/25708791

#SPJ2

Explanation:

Sensory adaptation refers to the adjustment of the sensory capacity of a person following prolonged exposure to stimuli.

To better understand this, it is necessary to explain that environmental stimuli cause a change in the sensitivity of a person's sensory receptors. Then, depending on the type of environmental stimulus, the determined receptor will be stimulated (related to the five main senses of the human being: sight, smell, taste, touch and hearing).

However, when a person gets used to a stimulus, adaptation occurs. Therefore, it will not respond to the stimulus in the same way as it did before.

A very common example is the relation with the smells (olfactory sense), because people get used quickly to the smells that surround them and then they stop "perceiving" the smell.

Decreased sensitivity to an unchanging stimulus is known as sensory adaptation. This process allows organisms to ignore 'background noise' in their environment and focus on more important stimuli.

The term for decreased sensitivity to an unchanging stimulus is known as sensory adaptation. This phenomenon occurs when sensory neurons become less sensitive to constant stimuli that are unchanging over an extended period of time. It's the reason you might stop noticing a persistent smell after being in a room for a while; your sensory neurons are effectively 'deciding' that this unchanging stimulus is not important. This is a key process that allows organisms to filter out 'background noise' in their environment and focus on changes and potential threats. An example of sensory adaptation could be your tactile sense 'ignoring' the clothes you are wearing, you become adapted and no longer consciously feel them.

https://brainly.com/question/12993657

#SPJ6

Answer:

the answer is  covalent bond

Explanation:

Atoms in a crystal are held together by a net attractive force between their constituent electrons and atomic nuclei. This force depends on the type of bonding in the crystal: ionic, covalent, or metallic. Molecules can also form crystals through molecular bonding.

Atoms arrange themselves in a lattice to form a crystal because of a net attractive force between their constituent electrons and atomic nuclei. The crystals formed by the bonding of atoms belong to one of three categories, classified by their bonding: ionic, covalent, and metallic. Molecules can also bond together to form crystals; these bonds, not discussed here, are classified as molecular.

https://brainly.com/question/28202642

#SPJ6

Hello There!

This statement is true.

The winter solstice is in the Northern Hemisphere

(a) 5310.7 V/m

The magnitude of the electric field between two parallel plates is given by

[tex]E=\frac{\sigma}{\epsilon_0}[/tex]

where

[tex]\sigma[/tex] is the surface charge density

[tex]\epsilon_0[/tex] is the vacuum permittivity

In this problem,

[tex]\sigma = 47.0 nC/m^2 = 47.0 \cdot 10^{-9} C/m^2[/tex]

So the electric field here is

[tex]E=\frac{47.0\cdot 10^{-9} C/m^2}{8.85\cdot 10^{-12}F/m}=5310.7 V/m[/tex]

(b) 116.8 V

The potential difference between the two plates is given by

[tex]V= Ed[/tex]

where

E is the magnitude of the electric field

d is the separation between the plates

Here we have

E = 5310.7 V/m

d = 2.20 cm = 0.022 m

So the potential difference is

[tex]V=(5310.7 V/m)(0.022m)=116.8 V[/tex]

(c) The electric field does not change

Explanation:

As stated in part (a), the magnitude of the electric field is given by

[tex]E=\frac{\sigma}{\epsilon_0}[/tex]

where

[tex]\sigma[/tex] is the surface charge density

[tex]\epsilon_0[/tex] is the vacuum permittivity

as we can see, the value of E depends only on the surface charge density, which is kept constant in this case, so the value of the electric field strength does not change.

(d) The potential difference doubles (233.6 V)

In this situation, the separation between the plates is doubled, so:

d' = 2 d

The potential difference depends linearly on the separation between the plates:

V = Ed

where

E is the magnitude of the electric field (which is kept constant)

d is the separation between the plates

So the new potential difference will be

[tex]V' = E(2d) = 2 (Ed) = 2 V[/tex]

which means that the potential difference will double:

[tex]V'=2 (116.8 V)=233.6 V[/tex]

Final answer:

The electric field between the plates is 5.31 x 10^3 N/C, and the potential difference is 116.82 V. Doubling the separation distance between the plates keeps the electric field the same, but doubles the potential difference.

Explanation:

For two large parallel conducting plates carrying opposite charges of equal magnitude separated by 2.20 cm with a surface charge density of 47.0 nC/m2, the magnitude of the electric field (Enfield) between the plates can be found using the formula E = σ / ε0, where σ is the surface charge density and ε0 is the permittivity of free space. Plugging the given values in, we find:
E = (47.0 × 10-9 C/m2) / (8.85 × 10-12 C2/N·m2)
= 5.31 × 103 N/C

The potential difference (V) between the plates is given by V = E × d, where d is the separation between the plates. Therefore:

V = (5.31 × 103 N/C) × (0.022 m)
= 116.82 V

If the separation between the plates is doubled while keeping the surface charge density constant, the magnitude of the electric field remains the same because it is dependent only on surface charge density, not distance. However, the potential difference will double because it is a product of electric field strength and the separation distance.