Answer:
L=2.003696
Explanation:
The question is on expansion due to heat
The general formulae is;
L= L₀ { 1+∝(T₂-T₁)}
where L₀ is initial length of bar at 20°, L is length of bar at asked temperatures, ∝ = 23.1× 10^-6 °c , T₂ is the final temperature, T₁ is the initial temperature in °c
Given;
L₀=2m
T₂=100°c
T₁=20°c
∝ = 23.1× 10^-6 °c
Substitute values in the equation
L= L₀ { 1+∝(T₂-T₁)}
L=2{1+23.1× 10^-6(100-20)}
L=2{1.001848}
L=2.003696
Final answer:
The length of the aluminum bar at a temperature of 100 degrees Celsius would be approximately 2.0009 meters.
Explanation:
The length of a metal bar can change with temperature due to thermal expansion. The relationship between the change in length and the change in temperature is described by the thermal expansion coefficient of the metal. In this case, we are given an aluminum bar that is 2 m long at a temperature of 20 degrees Celsius. To find the length of the bar at a temperature of 100 degrees Celsius, we can use the formula:
Lfinal = Linitial * (1 + α * ΔT)
Where Lfinal is the final length, Linitial is the initial length, α is the thermal expansion coefficient, and ΔT is the change in temperature. The thermal expansion coefficient for aluminum is approximately 0.0000225 per degree Celsius. Plugging in the given values:
Lfinal = 2 * (1 + 0.0000225 * (100 - 20))
Lfinal ≈ 2.0009 mSPJ11
which is a form of ptential energy
Answer:
There are many forms of potential energy, including, kinetic energy, gravitational, magnetic, electrical, chemical, and elastic potential energy.
newtons View of Arrangement of the Universe
Answer:
Newton was able to state the Law of Universal Gravitation: “Every particle of matter attracts every other particle with a force proportional to the product of the masses of the two particles and inversely proportional to the square of the distance between them.” Stated more simply, the gravitational attraction between two bodies decreases rapidly as the distance between them increases.
Explanation:
this means if you put Newton’s three Laws of Motion which are:
01 - Every body continues at rest or in motion in a straight line unless compelled to change by forces impressed upon it. (Galileo first formulated this, and Newton recast it.)
02 - Every change of motion is proportional to the force impressed and is made in the direction of the straight line in which that force is impressed. (A planet would continue outward into space but is perfectly balanced by the Sun’s inward pull, which Newton termed “centripetal” force.)
03 - To every action there is always opposed an equal reaction, or the mutual action of two bodies on each other is always equal and directed to contrary parts.
which of the following has the greatest impact on an ecosystem migratory animals predation human inference
Answer:
human interference
Explanation:
Think of the hybrid lady bug..introduced to control insects on crops.
now they are reproducing rapidly, eating natural ladybugs, and other helpful insects..I haven't seen a red ladybug for years. in nw Illinois..
Human interference generally has the greatest impact on ecosystems, surpassing the effects of migratory animals and predation. Habitat destruction, pollution, introduction of non-native species and diseases, and climate change driven by human activities all contribute to significant ecological changes.
The impact of human interference on ecosystems is often more significant than that of migratory animals or predation alone. Humans have altered landscapes and introduced new challenges for wildlife, such as habitat destruction for urbanization and farming, pollution, and the introduction of non-native species. These activities can lead to declines in population and diversity, particularly for migratory species that rely on specific habitats. In Africa, for instance, migratory birds are greatly affected, with changes in land use and climate impacting their numbers significantly. Moreover, the introduction of diseases and predators by humans can have cascade effects on ecosystems, leading to multiple extinctions. Climate change, largely driven by human activities, further exacerbates these issues by disrupting migration patterns and causing habitat loss.
In certain cases, such as the Four Corners drought and subsequent rise in deer mouse populations leading to a spike in Hantavirus cases in humans, we see direct repercussions of ecosystem changes on human populations. Although migratory animals and predation play roles in ecosystem dynamics, the scale and rapid pace of human impacts typically overshadow these natural processes. It should be noted, however, that ecosystems are complex, and the interplay between different factors can often lead to unexpected outcomes and feedback loops.
8. On the periodic table of the elements, what information is provided by the atomic number?
A...the number of compounds the element can form
B...the number of protons in the element's nucleus
C...the number of isotopes the element can have
D...the number of neutrons in the element's nucleus
Answer:
Ans is B option
Explanation:
e.g oxygen has 8 atomic number means it has 8 protons
Ryan is examining the energy of the particles in a bar of gold. What is Ryan most likely studying?
Answer:
Ryan is examining the energy of the particles in a bar of gold. Ryan is most likely studying internal energy
Explanation:
Ryan is examining the energy of the particles in a bar of gold. Ryan is most likely studying internal energy.
What is energy?The energy is the ability to do work. It can be external or internal.
Any object is made up of atoms or molecules or particles equal to the Avogadro number. It has the energy occupied into its volume. This energy is contained by each and every particle of the atom.
The study of the gold particles is the study of internal energy.
Thus, Ryan is most likely studying internal energy.
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TESE
Active
Newton's third law of motion says that for every action there is an)
and opposite reaction
equal and opposite reaction.
Displacement is distance combined with
direction.
speed.
velocity.
magnitude.
The correct answer is A. Direction
Explanation:
The word "displacement" is used to describe the change in the position of a body or object. Moreover, displacement involves direction (vector of movement) because it considers not only the distance the body moved but also the initial and final position of it. Indeed, the displacement is determined by drawing a straight line between point A (initial position) and point B (final position), which helps to determine the direction vs. movement of the body. According to this, displacement is distance combined with direction.
Displacement of an object is the distance of that object combined with the direction. Option A is the correct option.
What is displacement and distance?Displacement is the shortest distance between the initial point to the final point. Displacement is the vector quantity , which means it has both magnitude as well as direction.
Let suppose a object move on a circular path, and stop where, the object started taking a full round. Then the displacement travelled by the object is zero, as the initial and final point is same and body does not displace any amount from its initial position.
Distance is the total amount of space between the two points, in a particular path. Distance is the scaler quantity, which has only magnitude and not the direction.
Let suppose a object move on a circular path, and stop where, the object started taking a full round. Then the distance travelled by the object equal to the circumference of the circular path.
As displacement is the vector quantity while the distance is scaler quantity. This means that the displacement has both magnitude as well as direction, whereas the distance has only magnitude and not the direction.
Thus, by adding the direction with the distance travelled by an object gives the displacement of that object.
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Why do the gas giants have many moons?
A. They are large and so they have a lot of gravity,
B. Violent surface conditions emit rocks that form moons.
C. They are located within an asteroid belt.
D. They have rings of particles that eventually form moons.
(Apex)
Answer:
A. They are large and so they have a lot of gravity
Explanation:
The moons are formed from the ingredients that are left over from their parent planet or can also be formed as asteroids that are captured by planets with a stronger gravitational force. Since the giant planets have a large mass, they had enough material to be they will form the moons and by having a much greater gravitational attraction they manage to capture a large number of asteroids.
They are large and so they have a lot of gravity is the correct answer. The gravitational force of a gas giant is capable of capturing and retaining smaller objects, such as asteroids or icy bodies, as moons.
Gas giants, such as Jupiter and Saturn, have many moons primarily because of their large size and strong gravitational pull. The gravitational force of a gas giant is capable of capturing and retaining smaller objects, such as asteroids or icy bodies, as moons. The immense mass of the gas giants allows them to exert a significant gravitational influence on nearby objects, attracting them into stable orbits around the planet.
Option B, referring to violent surface conditions emitting rocks that form moons, is not an accurate explanation.
Option C, stating that gas giants are located within an asteroid belt, is incorrect. Gas giants are typically located beyond the asteroid belt in our solar system.
Option D, mentioning rings of particles eventually forming moons, is not entirely accurate either. While gas giants can have ring systems composed of particles, these particles generally remain in the form of rings and do not coalesce to form moons.
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What is one action a person can take to help ensure ability to participate in physical activity throughout life?
Answer:
Answer: B
Choices:
A)Apply sunscreen
.B)Eat steadily.
C)Do unlimited exercise.
D)Maintain flexibility.
Answer:
Exercise regularly
Explanation:
just took the test
a 47 kg person in a rollercoaster moving through the bottom of a curved track of radius 47.7 m feels a normal force of 895 N. What is the net centripedal force acting on the person
Answer:
434.4 N
Explanation:
There are two forces acting on the person when it is at the bottom of the trajectory:
- Its weight W = mg (m= mass, g= acceleration of gravity), acting downward
- The normal reaction N, acting upward
So the net centripetal force Fc is given by
[tex]F_c = N- mg [/tex]
Substituting:
N = 895 N
m = 47 kg
We find:
[tex]F_c = 895 N - (47 kg)(9.8 m/s^2)=434.4 N[/tex]
Answer:
434 also works for acellus
Explanation:
A front refers to
the location where two air masses meet.
an air mass that extends across a large area.
a large body of air moved by global wind patterns.
a place on Earth’s surface affected by uneven heating.
Answer: The location where two air masses meet.
Explanation:
A front is a middle zone between two air masses. Each air mass exhibit different densities. The air masses also differ in humidity and temperature. The front is responsible for changing the climatic condition of a region.
Answer:
The location where two air masses meet.
Which of the following is not used to measure wind?
O
A. psychrometer
O B. wind sock
O C. weather vane
O D. anemometer
Final answer:
A psychrometer is not used to measure wind; it's used to calculate humidity. Wind measurement is done using a wind sock, weather vane, and anemometer, with the latter measuring wind speed.
Explanation:
When it comes to measuring wind, there are specific instruments designed for this purpose. A psychrometer is not used to measure wind; it measures humidity levels by using a pair of thermometers, with one being covered with a wet cloth and the other kept dry. The difference in temperature readings between the two is used to calculate humidity.
On the other hand, instruments such as a wind sock, weather vane, and anemometer are specifically designed to measure various aspects of wind. A wind sock and a weather vane are used to determine wind direction, while an anemometer measures wind speed, often in miles per hour, kilometers per hour, or knots.
how is science controlled by the governerment
Answer:
the government's use and control of science. To clarify, I live in the U.S. I'm only interested in how the U.S. government dictates science. If you have any information or links that could educate me on this topic, I would be appreciative.
Explanation:
Answer:
Science is controlled by the government since, in addition to the fact that any scientific advance requires government financial support, it is constantly monitored, in order to "avoid" dangerous advances.
Explanation:
Unfortunately, a great scientific advance can require many funds, which is why scientists usually go to private companies or the government for it to be financed, but even more so, when a scientist carries out a study financed by himself, which leads to an advance a novel scientist, is constantly monitored by governmental entities to identify whether or not such progress represents a danger to the nation or if they must appropriate it.
A compass contains a magnet. The magnet responds to Earth’s magnetic field. The magnet’s north pole points north from most locations on Earth. Based on what you learned about magnetic force, make three predictions. Predict the approximate size of Earth’s magnetic field and the approximate location of its North and South Poles. Give a reason for each prediction.
Answer:
Explanation:
A field is a region of space where force is felt or exerted.
A magnetic field as such is an area where the impact of magnetic force can be felt.
The earth behaves like a giant bar magnet due to movement of liquid metals in the outer core. This giant magnet exerts a magnetic field on the entire earth. The core of the earth falls at the centre of the globe and it dissipiates magnetic force outwards.
In terms of the magnetic field of the earth, it covers the entire planet due to the location of its source.
The poles are deflected just a little bit from the geographic north and south by a little angle. This angle is known as magnetic declination. It varies from time to time due to the strength of the magnetic field.
A compass needle aligns with Earth's magnetic field, with its north pole pointing towards the geographic North Pole, which is near Earth's magnetic south pole. The Earth's magnetic field is extensive, reaching far into space, and the locations of magnetic poles can shift and even reverse over time.
A compass contains a magnet which aligns itself with the Earth's magnetic field. A compass needle's north pole is attracted to Earth's magnetic south pole, which is actually near the Earth's geographic North Pole. Here are three predictions based on what we know about magnetic forces and Earth's magnetism:
The Earth's magnetic field extends thousands of kilometers into space, creating a zone called the magnetosphere that protects the Earth from solar wind.The magnetic North Pole of the Earth is situated closer to the Earth's geographic North Pole. However, this location is not fixed and undergoes shifts and even polar reversals over geological timescales.Given the attraction of opposite magnetic poles, the Earth's magnetic South Pole is geographically closer to the Earth's North Pole, which aligns with the north-seeking pole of a magnetic compass.The reasoning behind these predictions is that a compass needle is essentially a small bar magnet, and it aligns itself so that its north-seeking pole (magnetic north) points towards the Earth's magnetic south pole due to magnetic attraction.
In your own words, describe the purpose of using a chemical equation.
Answer:
To know the substances and number of atoms and molecules involve in the chemical equation.
Explanation:
The chemical equations are the linear presentation of chemical reactions. In our day to day life, different kinds of chemical reactions occur such as rusting of iron, curdling of milk. To represent such reactions we use chemical equations, where the left-hand side components are reactants and right-hand components are products. The reactants are the substances that are combined to form the reaction and results of the product. One can write chemical equations in words or in symbols. From the chemical equation, one can know how many numbers of atoms or molecules involve in the chemical reaction.
Answer:
Sample Response: Chemical equations show how chemicals interact when a reaction occurs. They use symbols and formulas to show the chemical reaction so that chemical names do not need to be written out. They also help keep track of all elements and the number of atoms of each element on each side of the equation.
Explanation:
A car travels at a constant rate for 25 miles, going due east for one hour. Then it travels at a constant rate another 60 miles east for one hour. What is the instantaneous velocity at any time during the second hour of the trip?
35 mph east
42 mph east
60 mph east
85 mph east
Answer:
The instantaneous velocity at any time during the second hour of the trip is 60 mph east
(C) is correct option
Explanation:
Given that,
Distance in first hour = 25 miles
Distance in second on hour = 60 miles
Instantaneous velocity :
Instantaneous velocity is equal to the distance divided by the time
We need to calculate the instantaneous velocity at any time during the second hour of the trip
Using formula of instantaneous velocity
.[tex]v = \dfrac{d}{t}[/tex]
Where, d = distance
t = time
Put the value into the formula
[tex]v = \dfrac{60}{1}[/tex]
[tex]v= 60\ miles/hr[/tex]
The direction of the instantaneous velocity is in east .
Hence, The instantaneous velocity at any time during the second hour of the trip is 60 mph east
The instantaneous velocity at any time during the second hour of the trip is 60 mph east.
Instantaneous velocity is the rate of change of position for a time interval. The instantaneous velocity is the velocity at a particular time.
Instantaneous Velocity Formula of the given body at any specific instant can be formulated as:
V₁ = δx / δtV₁ = Δx / Δtwhere
Δx = change in position
Δt = small time interval
During the second hour of the trip, the instantaneous velocity at that particular time is
60 / 1 = 60 mph eastThe instantaneous velocity = 60 mph east
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Which type of curved mirror uses its outside as the reflecting surface?
a virtual mirror
a concave mirror
a plane mirror
a convex mirror
Answer:
a convex mirror
Explanation:
a convex mirror is a type of curved mirror that uses its outside as the reflecting surface;
A mirror whose reflecting surface curves outwards is called a convex mirror. In convex mirrors, the bulging portion is also the reflecting surface. These types of curved mirrors are widely used in vehicles as rear view mirrors since they are able to form diminished images and thus give us a larger view.
a convex mirror
Explanation:
Which is not true of alpha radiation? O A. It increases the number of protons. O B. It has a positive charge. O C. It causes transmutation. O D. It is heaviest of the three types
Answer:
A
Explanation:It is relatively massive
Its direction of deflection shows it possitively charged
It brings one element into another by bombardment(transmutation)
Answer:
A. It increases the number of protons
Explanation:
When alpha radiation is emitted by a particle, its number of protons decrease by two, that is, the particle lost two protons.
Option B is true because alpha particle is composed by 2 protons and 2 neutrons.
Option C is true because a change in the structure of atomic nuclei of the parent particle is produced.
Option D is correct because alpha radiation is heavier than beta and gamma radiations.
How is temperature related to the physical change of a
substance
Answer:
~~Now, you have left your question very open ended and didn't ask for any particular kind of answer so I'll do my best to get what you're looking for.~~
A physical change in a substance doesn't change what the substance is. It can possibly melt or freeze an object. I mean heat makes things expand while cooling makes them retract.... In chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.
A force of 8,480 N is applied to a cart to accelerate it at a rate of 26.5 m/s2. What is the mass of the cart?
865 kg
320 kg
12.1 kg
3.12 kg
For the given question, the mass of the cart is 320 Kg.
Answer: Option B
Explanation:
According to Newton’s second law, the rate of change in momentum exerted by an object is directly proportional to the unbalanced force exerted on the object. So
[tex]\text {Unbalanced Force } F=\frac{d(\text {momentum})}{d t}[/tex]
As momentum of an object is derived from the product of mass and velocity of the object. Thus,
[tex]\text {Momentum}=m \times v[/tex]
So,
[tex]\text {Unbalanced Force } F=\frac{d(m \times v)}{d t}[/tex]
As mass of an object tend to be same irrespective of time and velocity can vary with time, we obtain,
[tex]\text {Unbalanced Force } F=m \times \frac{d v}{d t}=m \times \text { accelearation }[/tex]
As it is known that rate of change in velocity is equal to the acceleration exerted by the object. Thus, Newton’s second law can also be stated as that the external unbalanced force exerted on the object will be equal to the mass of the object and the acceleration exerted by the object. So in the present case, as we known the force and acceleration, the mass of the object will be determined by the formula F = ma.
[tex]F=m \times \text {acceleration}[/tex]
Therefore,
[tex]\text {Mass}=\frac{\text { Force }}{\text { Acceleration }}=\frac{8480}{26.5}=320 \mathrm{kg}[/tex]
The atmosphere extends up to an altitude of about _____.
330 miles
200 miles
200 km
50 miles
Answer:
The atmosphere extends up to an altitude of about 200 miles. ( second choice)
Answer:
200 miles
Explanation:
the second chose
The maximum height that an average person can jump from a crouched start is about 60 cm. By how much does the gravitational potential energy increase for a 72 kg person in such a jump?
Answer:
423.36 J
Explanation:
Change in gravitational potential energy= mgh where m is the mass of the displaced object g is the acceleration due to gravity and h is the displacement along a plane parallel to gravity vector.
From the question.m= 72kg, h=60cm=0.6m
g=9.8m/s²
Δ PE= 72kg×9.8m/s²×0.6m
=423.36 J
The change in potential energy of the person is 423.36 J.
What is potential energy?Potential energy is the energy of a body by virtue of its position in the gravitational field.
To calculate the increase in the gravitational potential energy of the person, we use the formula below
Formula:
ΔPE = mgΔh.......... Equation 1Where:
ΔPE = Change in potential energym = mass of the persong = acceleration due to gravityΔh = change in heightFrom the question,
Given:
m = 72 kgΔh = 60 cm = 0.6 mg = 9.8 m/s²Substitute these values into equation 1
ΔPE = 72(0.6)(9.8)ΔPE = 423.36 JHence, The change in potential energy of the person is 423.36 J.
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Which graph represents a nonlinear relationship?
Answer:
4th
Explanation:
The line is nonlinear because it does not stay in a line i curves
Fourth graph represents a nonlinear relationship.
What is linear relationship?A linear relationship exists when changing one variable n times will result in a comparable change in the other variable of n times. In other words, doubling one variable also doubles the other.
To completely comprehend the world around us, it is vital to examine non-linear relationships because they are fundamental to the majority of physical and statistical events.
Numerous extremely significant physical phenomena are linear, and linear interactions are the most straightforward to comprehend and research.
However, it does not encompass all of our mathematical methods, and non-linear correlations play a crucial role in many of the most significant and fascinating physical and social phenomena today. Here 4th graph represents a nonlinear relationship.
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Which best describes electromagnetic waves moving from gamma rays to radio waves along the electromagnetic spectrum?
Answer: Wavelength increases and frequency decreases.
Explanation:
Electromagnetic spectrum is formed of radiations varying in frequency and wavelength like gamma rays, radio waves, UV rays, visible, and microwaves. We know that wavelength is proportional to frequency. Since the wavelength is proportional to frequency, the wavelength increases.
Electromagnetic waves, moving from gamma rays to radio waves along the electromagnetic spectrum, the wavelength increases and frequency decreases.
What is an electromagnetic wave?The waves that are related to both electricity and magnetism are known as electromagnetic waves. These waves are made up of time-varying electric and magnetic fields that travel over space.
These waves are made up of time-varying electric and magnetic fields that travel over space. These waves, which are related to electricity and magnetism, would undoubtedly spread in space.
Wavelength is inversely proportional to the frequency. The wavelength of the gamma rays are more than the radio wave.
So that Electromagnetic waves, moving from gamma rays to radio waves along the electromagnetic spectrum, the wavelength increases and frequency decreases.
Thus, option C is correct.
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Based on its location on the periodic table, which element would be most
likely to form a positive ion?
Answer: Sodium Na
Hydrogen H
The question is incomplete, here is the complete question:
Based on its location on the periodic table, which element would be most likely to form a positive ion?
A. Sulfur (S)
B. Chlorine (Cl)
C. Sodium (Na)
D. Fluorine (F)
Answer: The element which is most likely to form positive ion is Sodium (Na)
Explanation:
An ion is formed when a neutral atom looses or gains electrons
When an atom looses electrons, it results in the formation of positive ion known as cation.
When an atom gains electrons, it results in the formation of negative ion known as anion.
For the given options:
Option A: SulfurSulfur is the 16th element of the periodic table having electronic configuration of [tex]1s^22s^22p^63s^23p^4[/tex]
This element will gain 2 electrons to attain stable electronic configuration and will form [tex]S^{2-}[/tex] ion
Option B: ChlorineChlorine is the 17th element of the periodic table having electronic configuration of [tex]1s^22s^22p^63s^23p^5[/tex]
This element will gain 1 electron to attain stable electronic configuration and will form [tex]Cl^{-}[/tex] ion
Option C: SodiumSodium is the 11th element of the periodic table having electronic configuration of [tex]1s^22s^22p^63s^1[/tex]
This element will loose 1 electron to attain stable electronic configuration and will form [tex]Na^{+}[/tex] ion
Option D: FluorineFluorine is the 9th element of the periodic table having electronic configuration of [tex]1s^22s^22p^5[/tex]
This element will gain 1 electron to attain stable electronic configuration and will form [tex]F^{-}[/tex] ion
Hence, the element which is most likely to form positive ion is Sodium (Na)
Although there are different ways to approach a scientific investigation, all scientific investigations begin with some sort of
All scientific investigations begin with some sort of observation.
Why do all scientific investigations begin with some sort of observation?A scientific investigation typically begins with observations. An observation is anything that is detected through human senses or with instruments and measuring devices that enhance human senses.We usually think of observations as things we see with our eyes, but we can also make observations with our sense of touch, smell, taste, or hearing. In addition, we can extend and improve our own senses with instruments such as thermometers and microscopes. Other instruments can be used to sense things that human senses cannot detect at all, such as ultraviolet light or radio waves.Sometimes chance observations lead to important scientific discoveries.So, although there are different ways to approach a scientific investigation, all scientific investigations begin with some sort of observation.
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What is the correct orientation of the bar magnet, based on the magnetic field lines shown?
Answer:
C. South pole on the left end and north pole on the right end
Explanation:
From the figure, we can conclude that the poles of the magnet are on either sides of the magnet
Therefore, options 1 and 2 are excluded
It is a convention that the magnetic field lines move out of the north pole of a magnet and into the south pole of the magnet
From the figure, we can see that the magnetic field lines are moving out from the right end and into the left end
This means that the north pole is at the right end and that the south pole is at the left one
Hope this helps :)
Answer: South Pole on the left end and North Pole on the right end
Explanation:
Which of the following is the correct equation for kinetic energy?
KE = 1/2mv^2
KE = mgh
KE = Fd
KE = mv
[tex]\boxed{KE=\dfrac{1}{2}mv^2}[/tex]
Hope this helps.
r3t40
Answer:
[tex]{\boxed{\sf{\red{K.E = \frac{1}{2} mv^{2}}}}}[/tex]Explanation:
[tex]{\underline{\underline{\bf{\orange{What \: is \: Kinetic\: Energy\:?}}}}}[/tex]
The energy possessed by a body by virtue of its motion.[tex]{\underline{\underline{\bf{\green{Formula\:Derivation\::-}}}}}[/tex]
[tex]\star\:\sf{Consider,}[/tex]
Body of mass 'm' is moving with a velocity 'v'.A uniform force 'F' opposes the motion of a body and brings it to rest after a displacement 's'[tex]:\implies\:\:\sf{v^{2} -u^{3} = 2a}[/tex]
[tex]:\implies\:\:\sf{0-v^{2} = 2as}[/tex]
[tex]:\implies\:\:\sf{-v^{2}=2as}[/tex]
[tex]:\implies\:\:\sf{a = \dfrac{-v^{2}}{2s}}[/tex]
The opposing force on the body,
F = ma = -mv²/2sBy Newton's 3rd law, the force applied by the body :-
[tex]:\implies\:\:\sf{-F = -\bigg( -\dfrac{mv^2}{2s}\bigg) = \dfrac{mv^2}{2s}}[/tex]
[tex]{\boxed{\bf{W = Force \times Displacement}}}[/tex]
[tex]:\implies\:\:\sf{W = F \times S}[/tex]
[tex]:\implies\:\:\sf{W = \dfrac{mv^2}{2s}\times s = \dfrac{1}{2}mv^2}[/tex]
We know that, Work done will be stored as kinetic energy in the body.[tex]\star\:\:{\underline{\boxed{\sf{\red{K.E = \dfrac{1}{2}mv^{2}}}}}}[/tex]
I WILL MAKE YOU BRAINLIEST! PLEASE PROVIDE PROOF FROM K12. ASAPHURRY IS ALWAYS WELCOME TO ANSWER MY QUESTIONS SHE IS THE BEST. tHANK YOU
What best describes the same pattern of tides on Earth throughout the day?
spring tides
neap tides
nocturnal tides
semidiurnal tides
Hello again! Thanks for acknowledging me in your question^^ I’m a he though^^ Okay, so moving onto my answer, it is D) semidiurnal tides. The proof that I’m going to provide to you isn’t exactly the answer but is says everyday so it should be correct. Please trust me and tell me if the answer is correct or not. I would choose that answer though. Here is proof:
Answer: semidiurnal tides
Explanation: I"M ON K12
And this correct because Semidiurnal Tides it does when an area covered by the ocean faces the moon, the moon's gravitational force on the water causes a high high tide.
If a horse does 4000j of work over 20m how much force does the horse use
Hello! My name is Zalgo and I shall be helping you out on this mystical day~! The answer that you are looking for is... "In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force. It is calculated by the formula W = f x d. Therefore, we calculate the problem above as follows:
W = f x d
4000 = f x 20
f = 200 N"
I hope this answer helps! :P
"Stay Brainly and stay proud!" - Zalgo
(By the way, can you give me Brainliest? I'd greatly appreciate it, Thank you! X3)