Hurricanes are intense storm in tropic regions. When hurricane makes landfall it will loss its strength and weakens . Hence option A is correct.
What is hurricane ?Hurricanes are powerful storms with a tropical origin. Small groups of disorganized storms that collect energy from the heat of the ocean water are the precursors to hurricanes.
Individual clouds will start to group together into a single storm if specific atmospheric conditions are met. The organization of the cloud clusters will intensify, and the winds will pick up and move around a particular point, the eye, if the storm keeps consuming heat from the ocean.
It is also recognized that hurricane-related extreme atmospheric conditions can give rise to tornadoes. Because they are no longer able to draw energy from the ocean when a storm makes landfall, they start to weaken. They can still harm a lot and are harmful nonetheless.
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What happens when a hurricane makes a landfall; it weakens. This makes option A the right choice.
What happens when a hurricane makes landfall?When a hurricane makes landfall, several things typically happen:
A. A hurricane will weaken after making landfall: This statement is generally true. When a hurricane moves over land, it loses its primary energy source, which is the warm ocean waters. As a result, the storm's strength tends to diminish gradually as it moves farther inland. However, hurricanes can still cause significant damage even after making landfall, especially if they are large and powerful at the time of landfall.
B. A hurricane will pick up speed after making landfall: This statement is not accurate. Once a hurricane makes landfall, it usually begins to slow down as it interacts with the friction and topography of the land. The storm's forward speed typically decreases as it moves inland.
C. A hurricane will have stronger wind speeds after it makes landfall: This statement is generally not true. As mentioned earlier, a hurricane weakens after making landfall due to the loss of its primary energy source, warm ocean waters. Wind speeds tend to decrease as the storm moves over land.
D. A hurricane will have a smaller storm surge after it makes landfall: This statement is generally true. Storm surge is the rise in sea level generated by a hurricane's winds and low pressure. When a hurricane moves over land, its ability to push seawater ashore diminishes, resulting in a reduction in the storm surge. However, storm surge can still be a significant threat near coastal areas even after a hurricane makes landfall.
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What is a process that returns to its beginning and repeat it self in the same sequence
Answer:
a sequence
Explanation: was that an option?, or was it not a multiple choice question ?
In a cyclic process, the internal energy must not change because the system returns to its beginning state. As a result, according to the first rule of thermodynamics, the system's net work and net heat transfer must balance each other out.
What process returns its beginning and repeat sequence?A cyclic process is one in which the initial and final states are identical. It is a series of operations that ends with the system in the same condition as when it began. As a result, in a cyclic transition, the system's work is equal to its heat absorption.
A cycle is a collection of actions or activities that occur repeatedly in the same manner.
Expansion at constant temperature, heat removal at constant temperature, compression at constant temperature, and addition of heat at constant temperature are all examples of the cyclic process.
Therefore, cyclic process that returns to its beginning and repeat itself in the same sequence.
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The acceleration due to gravity on the surface of Mars is about one third the acceleration due to gravity on Earth's surface. The weight of a space probe on the surface of Mars is about
Answer:
About 1/3 of the weight of the probe on Earth's surface
Explanation:
The weight of the probe is given by
W = mg
where
W is the weigth
m is the mass of the probe
g is the acceleration due to gravity
We notice that:
- m (the mass) is constant, since it depends only on the properties of the probe, so it does not change when the probe moves to Mars
- g' (the acceleration due to gravity on Mars) is 1/3 of g (acceleration due to gravity on Earth)
So, the weight of the probe on Mars surface is
[tex]W' = mg'=m(\frac{1}{3}g)=\frac{1}{3}(mg)=\frac{1}{3}W[/tex]
So, the weight of the probe on Mars surface is 1/3 the weight of the probe on Earth's surface.
Which statements about fresh water and salt water are true? Check all that apply.
A pond is a source of salt water.
Fresh water is essential to all life on Earth.
Half of Earth’s water is fresh water.
Most of Earth’s water is stored in the oceans.
Oceans are the largest source of fresh water.
answers are B and D
Fresh water is essential to all life on Earth.
Most of Earth’s water is stored in the oceans.
Answer:
B and D
Explanation:
Fresh water is essential to all life on Earth. Most of Earth's water is stored in the oceans.
Answers: B. Fresh water is essential to all life on Earth. and D. Most of Earth’s water is stored in the oceans.
A ball is dropped off the side of a bridge after falling 1.55 s, what is its velocity.
Answer:
v = 15.19 m/s
Explanation:
As we know that when object is dropped from some height then initial speed of the object is taken as
[tex]v_i = 0[/tex]
now for the final speed of object we can say that if acceleration is constant then the final speed will be given by kinematics equation
[tex]v_f = v_i + at[/tex]
here we have
[tex]a = 9.8 m/s^2[/tex] (due to gravity)
now from this equation of motion
[tex]v_f = 0 + (9.8)(1.55)[/tex]
[tex]v_f = 15.19 m/s[/tex]
Answer:
-15.2
Explanation:
the guy above didn't put a negative when talking about gravity which is always -9.80
A motor spins a gear with eight teeth. That gear is attached to a gear with 56 teeth. What is the gear ratio
A: 10:1
B: 1:7
C: 1:8
D: 56:1
Answer:
B) 1:7
Explanation:
the question is asking for the ratio of the first gear to the second gear:
first gear:second gear=8:56
we can simplify this ratio:
8:56=1:7
so the correct option should be B
hope this helps
The gear ratio for the motor gear is 1:7. The correct option is B.
What is gear ratio?The gear ratio is the ratio of number of teeth on the first gear or driving gear to the second gear or driven gear.
Given is the teeth on driving gear =8 and the teeth on driven gear =56
Gear ratio = 8:56
Gear ratio = 1:7
Thus, the correct option is B.
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Can you explain how to solve each pleade
Answer:
Explanation:
The resistance column is correct.
I1 = I2 = I3 = I4 = 2 Amps
So all the currents are the same.
R = 110
I = 2 amps
V = ?
Vt = I * R
Vt = 2 * 110
Vt = 220
=============
V1 = 20 * 2 = 40 volts. That's 40 volts dropped from the right side of R1 to the left side.
V2 = 60 * 2 = 120 volts across the 60 ohm resistor
V3 = 30 * 2 = 60
Total voltage = 40 + 120 + 60
Total voltage = 220 which is just what it should be.
==========================
Power
P1 = V1 * I
P1 = 40 * 2
P1 = 80 watts
P2 = 120*2
P2 = 240
P3 = 60 * 2
P3 = 120
Total Power = 80 + 240 + 120
Total Power = 440
Keplers laws follow which law discovered by sir Isaac Newton
The Keplers Laws about the motion of planets leds to Newton to discovered the three laws of motion. Newton based on Kepler came to the conclusion that all motion whereas it was follow the same principle.
“Universal Gravitational Law” discovered by Sir Issac Newton followed Kepler’s law.
Explanation:
The acceleration of the moon and objects on the earth are compared by Newton. Gravitational force directly depends on both the object's masses and inversely proportional to square of distance between the center of the objects.
Kepler’s Laws of Motion has been reviewed and Newton developed the proof that elliptical form of planetary orbits resulting the centripetal force which is inversely proportional to square of radius vector.
Which of the subatomic particles determine the mass of an atom?
Answer:
The number of proton and neutrons.
Explanation:
The mass of an atom is concentrated in the tiny nucleus. Protons and neutrons are massive particles while the mass of electrons are negligible.
It is a common thing to relatively compare the mass of these particles.
If the mass of proton is 1 unit
The mass of neutron would be 1 unit
The mass of electrons would be 1/1840 unit.
We see that electrons have very small mass or negligible mass compared to the neuleons.
This is why when calculating the mass number, we sum the number of protons and neutrons alone.
Which balances the equation Mg + O2 — MgO?
Answer:it’s c
Explanation:
I got it right on the test
8. A person with a mass of 15 kg is walking on a flat surface at a velocity of 5 m/s. What is the walker's momentum?
Answer: The correct answer is 75 kg m/s.
Explanation:
The expression of the momentum in terms of velocity and mass is as follows;
p=mv
Here, m is the mass of the object and v is the velocity.
It is given in the problem that a person with a mass of 15 kg is walking on a flat surface at a velocity of 5 m/s.
Calculate the walker's momentum.
Put m= 15 kg and v= 5 m/s in the above expression.
p=(15)(5)
p= 75 kg m/s
Therefore, the momentum of the speedboat is 75 kg m/s.
Is pressure defined as force per unit area
Pressure in Physics is indeed defined as force per unit area. Typically, this is measured in units such as Pascals, equivalent to one Newton per square meter.
Explanation:Yes, in Physics, pressure is defined as force per unit area. This is typically measured in units of Pascals (Pa), which is equivalent to one Newton per square meter (N/m^2). For instance, if you apply a force of 10 Newtons over an area of 2 square meters, the resulting pressure would be 5 Pascals (10 N / 2 m² = 5 Pa).
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3. As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Answer:
As an object’s temperature increases, the Rate at which it radiates energy increases.
An increase in temperature of the object’s, increases the RATE that radiates energy.
Explanation:
The difference in the temperature of the object is the main reason for transfer of heat energy from one to the other. The overall average of kinetic energy produced by the particles that exits in a substance is known to be temperature.
The temperature may be either cold or hot. When there is a rise or increase in an object's temperature, there will be an increase in rate at which it radiates or emits energy. The molecule in the object moves when it gets heated.
what is genetic energy and what is potential energy
Answer:
Kinetic energy is energy that to being used or in motion while potential energy is energy being stored which is later turned into Kinetic energy
Explanation:
Scientists define energy as the ability to get work done. The work can be anything from breathing to riding a bike to taking a nap. All energy can be in one of two states: potential or kinetic.
Potential EnergyPotential Energy is stored energy that is ready to go. A race car at the starting line of a race, a bicycle on top of a hill, and students waiting to go home from school are all examples of potential energy.
Kinetic EnergyKinetic Energy is energy at work. A race car speeding around a corner, a bicycle rushing down a hill, and students running home from school are all examples of kinetic energy.
Addition of _____________ to pure water causes the least increase in conductivity. A) weak bases B) acetic acid C) ionic compounds D) organic molecules
Answer:
D
Explanation:
Water in itself is a bad conductor of electricity. Any compound that dissociates in water into ions and charged molecules, will increase conductivity of water. In this case ionic compounds weak basis and acids will put in free ions into the water. The ions can pass electricity because they are attracted to respective poles of electricity depending on their charges. In water, these ions are free moving unlike when they are immobilized in their lattice in solid form.
Organic compounds are mainly made of covalent bonds (around carbon) hence do not dissociate in water.
Answer:
the answer is c
Explanation:
i just took it on usatp and its c
Suppose the relative distances for a number of galaxies using brightnesses don't agree with the relative distances using apparent sizes. What would you conclude?
Answer:
In the last section, you used magnitude as a substitute for relative distance. But magnitude can also be converted into a direct measure of relative distance.
Explanation:
F is a relative number that compares the arriving radiant flux to a standard: the star Vega in the northern constellation Lyra.
Consider the solubility graph above. According to the prompt, at 105oC, which of the solutes would still be unsaturated?
Answer: D. KNO3
Explanation:
Answer: d. KNO3
Explanation: i did the usatestprep
What affects the formation and distribution of natural resources
The creation, distribution, and management of natural resources significantly affect the geographic patterns of economic activities, the movement of products, money, and people, and the concentration of industries and labor markets.
The formation and distribution of natural resources are fundamental factors that influence the geographic patterns of human activities, including the movement of products, money, and people. Natural resources such as minerals, water, and fertile land are unevenly distributed across the globe. This variance leads to the concentration of economic activities and populations around areas where these resources are abundant or accessible.
The management of natural resources also plays a crucial role in shaping economies and communities. Effective management can lead to sustained economic growth and attract investments, which in turn affects the flow of products and capital. Conversely, poor management can cause resource depletion, environmental degradation, and economic decline, impacting patterns of trade and migration.
Additionally, the political and technological aspects involved in resource extraction and processing, as well as the development of infrastructure, can further influence how natural resources affect the distribution of industries and the mobility of labor markets. As a result, the creation, distribution, and management of key natural resources are central to understanding the interconnectedness of places and the dynamics of global economic systems
Gravity anything with mass as gravity we know the earth has gravity because you and I are standing on earth and not floating off into space when we jump we come right back to earth which model best represents the force of gravity pulling us all down to earth?
Answer:
[tex]F=mg[/tex]
Explanation:
Close to Earth's surface, the force of gravity that pulls an object towards the ground is
[tex]F=mg[/tex] (2)
where
m is the mass of the object
g is the acceleration due to gravity, which is [tex]9.81 m/s^2[/tex] close to Earth's surface
This is an approximation of the general formula of gravity valid only close to Earth's surface. The more general formula is
[tex]F=G\frac{Mm}{r^2}[/tex] (1)
where
G is the gravitational constant
M is the Earth's mass
m is the object's mass
r is the distance of the object from Earth's center
At the Earth's surface,
r = R (Earth's radius), and by calling the following factor
[tex]g=\frac{GM}{R^2}[/tex]
we see that eq.(1) becomes eq.(2).
15 POINTS! What is the function of the nervous system? What is the basic unit of the nervous system?
The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body.
The somatic system consists of nerves that connect the brain and spinal cord with muscles and sensory receptors in the skin.
The basic unit of the nervous system is the "nerve cell," called "neuron
Answer:
Sample Response: The nervous system helps the body to respond to internal and external stimuli. Sometimes the stimuli can be dangerous so the nervous system also protects the body. The basic unit of the nervous system is the neuron.
Explanation:
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the current flowing in an appliance connected to a 120V source is 2A. How many kilowatt-hours of electrical energy does the appliance use in 4h
Answer:
0.96 kWh
Explanation:
First of all, we can find the power of the appliance using the formula:
[tex]P=VI[/tex]
where
V = 120 V is the voltage of the source
I = 2 A is the current
Substituting,
[tex]P(120 V)(2 A)=240 W = 0.24 kW[/tex]
Now we want to find the amount of energy used by the applied in a time of
t = 4 h
The amount of energy is given by
[tex]E=Pt[/tex]
where
P = 0.24 kW
t = 4 g
Substituting,
[tex]E=(0.24 kW)(4 h)=0.96 kWh[/tex]
The appliance uses 0.96 kWh of electrical energy over 4 hours. This is calculated by determining power in kW with the formula P=IV and then multiplying this power by the amount of time in hours.
Explanation:To find out how many kilowatt-hours of electrical energy an appliance uses, we need to calculate power first. In this case, power is provided by the formula P = IV, where I represents current and V represents voltage.
So, P = 2A * 120V = 240W. But, we typically measure electricity in kilowatts (kW), so this would convert to 0.24 kW.
Next, to find energy consumed over a time period, we use E = Pt, where E represents energy, P represents power, and t represents time. Substituting the values, we find E = 0.24 kW * 4h = 0.96 kWh.
So, the appliance uses 0.96 kilowatt-hours of electrical energy in 4 hours when connected to a 120V source and drawing a current of 2A.
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What is a statement that summarizes a pattern found in nature?
Answer:
A scientific law is a statement that summarizes a pattern found in nature.
Explanation:
Answer:
The correct answer will be- scientific law
Explanation:
The pattern that exists in nature appears as the regularities which can be recorded and descriptive through observations. These pattern of nature while recording can be modelled in a mathematical expression.
These patterns which can be expressed in the mathematical terms form the scientific laws which hold true everywhere in the universe. The scientific law once formed never changes.
Thus, a scientific law is the correct answer.
Transferring information from a sphere, such as Earth, to a flat surface, such as a map, is known as
A. projection.
B. distortion.
C. orientation.
D. cartography.
Transferring information from a sphere, such as Earth, to a flat surface, such as a map, is known as projection.
Answer: Option A
Explanation:
The art of drawing maps which shows the terrain of Earth is known as cartography. One of the parts of cartography is termed as map projection. The map projection or projection is the process of transferring information from the sphere such as Earth to a flat surface of maps.
As the flat surface should include latitudes and longitude precisely to easy determination of location while navigation, the map projection should be done carefully and accurately.
The projection works on the principle of transferring the positioning of latitudes and longitudes and any changes to the places nearby every longitudes and latitudes.
What do radio waves and microwaves have in common
Answer:
they are very common
Explanation:
What do radio waves and microwaves have in common?
Both have lower radiant energy than visible light.
Both have higher frequencies than visible light.
Both are located to the right of visible light on the spectrum.
Both have longer wavelengths than visible light.
Answer:
Both are at the side of the spectrum that has the lowest frequency
Explanation:
If electromagnetic waves are arranged in the order of the energy from highest to lowest energy range then we will have
1). Gamma rays
2) X rays
3) Ultraviolet rays
4) Visible light
5) Infrared waves
6) Microwaves
7) Radio waves
Now as per energy range we can say that both microwaves as well as radio waves must have small energy range and longer wavelength as compare to visible light.
SO correct answer is
Both are at the side of the spectrum that has the lowest frequency
The of the line on a velocity vs. time graph represents acceleration.
Answer:
True
Explanation:
If you are determining whether the statement is true or false, the answer would be true.
A velocity versus time graph can give information about the acceleration of an object. Acceleration is the change in velocity over time, so the line thatis formed by from different points can tell you whether the object has accelerated, decelerated, or is at a constant velocity.
Velocity is placed on the y-axis, while time is on the x-axis. If you see the line or the slope going upwards, this means that the object is accelerating. If the slope is going downwards, this means that the object is decelerating. If the line is parallel to the x-axis then that means the object is at constant velocity.
Answer:
Slope
Explanation:
Instantaneous speed is measured
A. At the starting point
B. When the object reaches its destination
C. At a particular instant
D. Over the duration of the trip
Answer:
C. At a particular instant
Explanation:
Speed is the defined as the ratio between the distance covered by an object and the time taken:
[tex]v=\frac{d}{t}[/tex]
where d is the distance and t the time.
However, there are two possible measurements of speed:
- Average speed: this is the speed measured over a non-zero time interval (for example: a car moving 100 metres in 5 seconds; its average speed is
[tex]v=\frac{100 m}{5 s}=20 m/s[/tex]
- Instantaneous speed: this is the speed of an object measured at a particular instant in time, so for a time interval that tends to zero. So, in the previous example, the average speed is 20 m/s but the instantaneous speed of the car at various instants of time can be different from that value.
[OU.04] The picture below shows two galaxies. What of these statements best describes a similarity between the two galaxies?
Answer:
D.
Explanation: Both have shapes determined by gravitational forces.
Answer: Option (D)
Explanation: A galaxy is considered to be a large and extensive body comprised of the interstellar dust particles, dark matter and variable gases. The above mentioned particles are attached with one another forming variable shapes and are all held by the gravitational force. Gravity is the main factor responsible for the existence of this galaxies.
This is the reason, why the different shaped galaxies exist in the vast space, maintaining some similarity with one another.
Thus the correct answer is Option (D).
In order for heat to transfer from one object to another, which must be true?
a. The objects must be different temperatures.
b. The objects must be different sizes.
c. The objects must be the same temperature.
d. The objects must be the same size.
Answer:
a) the objects must be different temperatures
Explanation:
The size of the objects does not matter, and they must be different temperatures. If the objects were the same temperature, there would be no heat transfer able to occur.
Hope this helps!
In order for heat to transfer from one object to another, the objects must be at different temperatures. (a)
what kind of image is formed when the image distance is positive? what kind of image is formed when the image distance is negative?
When the image distance is positive, the image is on the same side of the mirror as the object, and it is real and inverted. When the image distance is negative, the image is behind the mirror, so the image is virtual and upright. A negative m means that the image is inverted. Positive means an upright image.
When the distance is positive, real image is produced. When the distance is negative, virtual image is produced.
Explanation:
Image distance is the distance between the object to the lens of the mirror. When the image distance is positive, it means that the real image is produced in the mirror. When the image distance is negative, it means that the virtual or diminished image is produced in the mirror.
Which two devices use electromagnets to work? A.insulator b.compass c.motor d.generator
Answer: The two devices are motors and generators.
Explanation: An electromagnet is a type of magnet that works when the flow of an electric current activates the magnetic field.
Final answer:
Electric motors and generators both utilize electromagnets to function, with motors converting electrical to mechanical energy, and generators doing the opposite.
Explanation:
Electromagnets are essential to the workings of both electric motors and electric generators. In an electric motor, a current-carrying coil positioned in a magnetic field experiences forces that produce torque, causing the motor to rotate. Conversely, in an electric generator, mechanical work is converted into electric energy by rotating a coil within a magnetic field, which induces electromotive force (EMF) through electromagnetic induction.
A 12-inch object is placed 30 inches in front of a plane mirror. A ray of light from the object strikes the mirror at a 45-degree angle. How tall is the image produced by the mirror?
A) 12 inches
B) 30 inches
C) 24 inches
D) 45 inches
I believe that it is C.24 inches
Answer: A. 12inches
Explanation:
One of the characteristics of an object placed in front of a plane mirror is that the object distance(u) is equal to the image distance(v) no matter the position of the object from the mirror.
Since object distance is 30 inches, the image distance will be 30inches as will i.e u = v
Using the relationship to get the height of the image
v/u = h1/h0
Where h1 is image height and h0 is object height.
h0 = 12inches
Substituting the values given in the formula we have
30/30 = h1/12
h1 = 12inches.
This means that the image produce by the object is also 12inches tall.