what would most likely happen if coastal north carolina increased implementation of wind energy?
Answers
The option that is more likely to happen if coastal north Carolina increased implementation of wind energy is The production of greenhouse gases would decrease.
A gas that produces the greenhouse effect by both absorbing and emitting radiant radiation in the thermal infrared range is referred to be a greenhouse gas. The five main greenhouse gases in the atmosphere of Earth are ozone, carbon dioxide, methane, and water vapor.
A renewable energy source is wind energy. It is non-polluting, never runs out, and reduces the demand for fossil fuels, which are the source of greenhouse gases that cause global warming.
By increasing the implementation of wind energy,
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Related Questions
If you increase the frequency of a sound wave four times, what will happen to its speed?
O A.
The speed will increase four times.
О В.
The speed will decrease four times.
OC. The speed will remain the same.
D.
The speed will increase twice.
O E.
The speed will decrease twice.
Answers
If you increase the frequency of a sound wave four times, the speed will increase four times. The correct option is A.
What are sound waves?Particles that are vibrating make up sound waves. These collide with other particles, causing them to vibrate, which allows the sound to escape the source.
Your ear drums vibrate as a result of air vibrations, which allows you to perceive sound. This vibration is transformed into messages, which proceed to your brain via a nerve.
When sound is produced, air molecules shake and collide, causing vibrations to travel between air molecules. The sound is transmitted by the vibrating particles, which also cause the ear drum to vibrate.
A sound wave's frequency can be increased four times without increasing its speed.
Thus, the correct option is A.
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Yashoda prepares some lemonade on a hot day. She adds 80g of ice at a temperature of zero degrees Celsius to 0.32kg of lemonade. The temperature of the lemonade decreases from 29 degrees Celsius to 8 degrees Celsius and all the ice melts. [Specific latent heat of fusion of ice = 340,000 J/kg, specific heat capacity of water = 4,200 J/kgK].
a)The energy required to melt the ice is
b) The formula used to calculate the energy gained by the melted ice (ice water) from the lemonade is
c)The energy gained by the melted ice (ice water) from the lemonade is
d)Assuming that there is no energy interactions between the lemonade and the surrounding, calculate the energy lost by the lime juice (to the ice and ice water).
e)Calculate the specific heat capacity of the lime juice.
Answers
Calculate the specific heat capacity of the lime juice.
The heat of fusion indicates the energy required to convert 1 g of solid to liquid at the same temperature. 250 x 332 Joules are required to melt 250 g of ice. For example, let's look at the energy required to melt 1 kg of ice at 0°C to produce 1 kg of water at 0°C.
For example, consider the energy required to melt 1 kg of ice at 0 °C to produce 1 kg of water at 0 °C. Using the temperature change equation and the water values in Table 1, we find that Q = mLf = 1.0 kg, 334 kJ/kg = 334 kJ is the energy to melt 1 kilogram of ice. The specific heat capacity of lemonade is about the same as that of water c = 4186 J/kg°C.
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(a) The energy needed to melt the ice is 27200 J.
(b) The formula to calculate the energy gained by the melted ice is Q = mCΔT.
(c) The energy gained by the melted ice from lemonade is 2688 J.
(d) The lost energy by the lime juice is 29888 J.
(e) The specific heat capacity of the lime juice is 4.447 J/ g °C.
The mass of ice is 80 grams.
The temperature of lemonade decreases from 29 °C to 8 °C.
The mass of lemonade, M = 0.32 kg = 320 g
The specific latent heat of fusion of ice = 3.4 × 10⁵ J/kg
Specific heat capacity of water = 4.2 × 10³ J/kg °C
a) The heat energy required to melt 1 kg of ice = 3.4 × 10⁵ J
So, the heat energy to melt 1 gram of ice = 340 J
Therefore, the energy required to melt 80 grams of ice = 340 × 80 = 27200 J
b) The formula for the energy gained by the melted ice from the lemonade is:
Q = mCΔT
Where m is the mass, C is the specific heat capacity, and ΔT is the change in temperature.
c) The energy gained by the melting of ice at 0 °C, Q = mCΔT
Q = 80 × 4.2 × ( 8 °C - 0 °C)
Q = 2688 J
d) The energy lost by the lime juice is energy gained by ice and water.
Lost energy by lime juice = 27200 J + 2688 J = 29888 J
e) Let's say C' is the specific heat capacity of the lime juice.
Then,
Q = MC'ΔT
Q = 320 g × C' × ( 29 - 8 )
Q = 6720C'
In equilibrium,
Heat lost = heat gained
6720C' = 29888 J
C' = 4.447 J/ g °C
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help pls i been stuck on this for 40 mins already
Answers
Answer:
See below
Explanation:
At A they add together (they are both positive)= construct
At B they destruct ( one is neg and one is pos)
c destruct d destruct e construct (both neg)
A circuit with a battery, a 14 Ω resistor, and a 17 Ω resistor, in parallel. The total current is the system is 2.8 A. What is the voltage of the battery?
Answers
Given data:
* The total current in the system is I = 2.8 A.
* The resistance of resistors connected in parallel is,
\(\begin{gathered} R_1=14\text{ ohm} \\ R_2=17\text{ ohm} \end{gathered}\)Solution:
The equivalent resistance of the system is,
\(\frac{1}{R_{eq}}=\frac{1}{R_1}+\frac{1}{R_2}\)Substituting the known values,
\(\begin{gathered} \frac{1}{R_{eq}}=\frac{1}{14}+\frac{1}{17} \\ \frac{1}{R_{eq}}=\frac{17+14}{14\times17} \\ R_{eq}=\frac{14\times17}{17+14} \\ R_{eq}=7.68\text{ ohm} \end{gathered}\)According to Ohm's law, the voltage across the battery in terms of the current and equivalent resistance is,
\(\begin{gathered} V=IR_{eq} \\ V=2.8\times7.68 \\ V=21.5\text{ volts} \end{gathered}\)Thus, the voltage across the battery is 21.5 volts.
G 13% part (g) using the numbers from the previous step, give a numeric answer for the time in seconds that elapse when the package, initially at rest, travels a distance of 2. 25 m down the ramp
Answers
The time required for the container to move 2.25 metres down the ramp is roughly 0.104 seconds.
From part (f), we have determined the final velocity of the package to be 1.38 m/s. Using this value along with the distance traveled (Δx = 2.25 m), we can calculate the time elapsed using the kinematic equation:
Δx = (vf² - vi²) / 2a
Substituting the values, we get:
2.25 = (1.38² - 0) / (2 * 0.087)
Solving for time (t), we get:
t = 2.25 * 0.087 / 1.897
t ≈ 0.104 seconds
Therefore, the time elapsed when the package travels a distance of 2.25 m down the ramp is approximately 0.104 seconds.
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determine the equilibrium temperature distribution in a rod with convective heat losses
Answers
To determine the equilibrium temperature distribution in a rod with convective heat losses, the following steps should be followed:
Step 1: Derive the heat equation: ∂T/∂t = a ∂²T/∂x², where T is temperature, x is the spatial coordinate, a is the thermal diffusivity of the rod, and t is time.
Step 2: Solve the differential equation to get T(x,t).
Step 3: Apply boundary conditions at
x=0 and x=L.
It is assumed that heat is lost by convection, which means that the rate of heat loss is proportional to the temperature difference between the rod and the surrounding medium:
k(T-T∞),
where k is the heat transfer coefficient and T∞ is the temperature of the surrounding medium. Therefore, the boundary conditions are given by:-k(T(0,t)-T∞) = h(T(0,t)-T∞), where h is the convective heat transfer coefficient at
x=0.-k(T(L,t)-T∞) = h(T(L,t)-T∞), where h is the convective heat transfer coefficient at x=L.
Step 4: Solve the boundary conditions to get the constants of integration.
Step 5: Substitute the constants of integration into the general solution of the differential equation to get the temperature distribution T(x,t).
Step 6: Take the limit as t→∞ to get the equilibrium temperature distribution T_eq(x). The equilibrium temperature distribution is the temperature distribution that does not change with time, i.e., it is the steady-state temperature distribution.
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In this experiment, optical density is measured using a _______.
spectrophotometer
thermocycler
microscope
caliper
Answers
Using a spectrophotometer, optical density is determined in the experiment.
Describe optical density.The optical density of a transparent material is a measure of how quickly light passes through the material. The degree to which any optically dense medium bends transmitted light rays toward or away from the norm is known as its optical density.
High optical density: What does that mean?The slower the wave moves through the material, the higher the optical density. By examining the material's refractive index, one can establish its optical density. How much slower a light wave would flow through the medium in comparison to how quickly it would go through vacuum is represented by the dimensionless refractive index value.
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The reactivity of a substance is a blank property
Answers
Explanation:
Chemical properties
Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances
No it isn't. It's a chemical property.
jordan has a mass of 65kg and carlos has a mass of 78.0kg. jordan is running at 5.75m/s when he is tackled by carlos who is running in the opposite direction. after the collision of both players are at rest. calculate their velocity before the collision.
Answers
Given
mj = 65 kg
mc = 78 kg
voj = 5.75 m/s
after collision
vfj = vfc = 0 m/s
Procedure
The law of momentum conservation can be stated as follows. For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.
\(\begin{gathered} p_o=p_f \\ m_jv_{0j}-m_cv_{0c}=0 \\ m_jv_{0j}=m_cv_{0c} \\ v_{0c}=\frac{m_jv_{0j}}{m_c} \\ v_{0c}=\frac{65kg*5.75m/s}{78kg} \\ v_{Oc}=4.8m/s \end{gathered}\)
The velocity before the collision would be 4.8m/s
Question 2 (1 point)
Potential energy depends on...
Speed and velocity
Position or shape
Length and color
Density and volume
Answers
Answer:
potential energy depends on position or shape
Lithium has 3 protons, 3 electrons, and 4 neutrons. How much is the positive charge of this atom?
Answers
Answer:If you add a proton to the atom, it becomes beryllium (atomic number = 4).
It is an ion with a +1 charge, since the number of protons (4) no longer equals
the number of electrons (3).
So you have a beryllium +1 ion - the best answer choice is C.
Explanation:if this isn’t right I am so sorry
Which phenomenon do solar panels rely on to produce electricity from sunlight?
Answers
Answer:
When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electrical field in the cell, causing electricity to flow.
Answer:
When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electrical field in the cell, causing electricity to flow.
Explanation:
What is the order of events when a neuron fires an action potential?
Answers
The order of events when a neuron fires an action potential is as follows:
1. Depolarization: The neuron's membrane potential is changed from its resting potential to a more positive voltage.
2. Threshold: The membrane potential reaches a critical level, known as the threshold potential, which triggers the action potential.
3. Action potential: An all-or-none electrical impulse is generated and propagates along the axon.
4. Repolarization: The membrane potential returns to its resting potential.
new stars form from ?
Answers
Find the heat given off if 1 kg of 125 degree C steam is cooled to 50 degree C water.
Answers
\(\\ \sf{:}\Rrightarrow Q=mc\Delta T\)
\(\\ \sf{:}\Rrightarrow Q=1(4184)(75)\)
\(\\ \sf{:}\Rrightarrow Q=313800J\)
\(\\ \sf{:}\Rrightarrow Q=313.8KJ\)
If a problem says an object has a
"constant velocity”, that means:
A) Ax = 0
C) v; = 0
B) a = 0
D) Vi = 0
Answers
Answer:
Acceleration = 0
Explanation:
Initial velocity is the speed it starts going at. Final velocity is how fast it's going by the end. The acceleration is what changes the velocity. But if the acceleration is 0, the velocity will not change
I’ll name u BRAINLIEST if u get this right
Answers
v = 0.01 * 500 - 2 * 1.4 / 0.01
v = 220 m/s
El dibujo muestra donde se encuentra un caracol en distintos instantes de tiempo.?Podemos afirmar que se trata de un movimiento acelerado?Razona tu respuesta
Answers
Answer:
if the acceleration is zero the displacements are equal in the same time interval, so we would see the points equally spaced in the diagram
if the acceleration is different from zero in these cases the intervals are different in the same time intervals
Explanation:
In a drawing of displacement as a function of time, we can know if in motion it is steely or not, the relationship that describes the motion is
x = v₀ t + ½ a t²
we see that we have two cases:
* if the acceleration is zero the displacements are equal in the same time interval, so we would see the points equally spaced in the diagram
* if the acceleration is different from zero in these cases the intervals are different in the same time intervals. In the case of positive acceleration the points are spaced and in the chaos negative acceleration the points are getting closer to each other
Which type of rotary instrument shank is placed into a high-speed handpiece?
a. Friction-grip
b. Straight
c. Latch-type
d. all listed
Answers
The type of rotary instrument shank that is placed into a high-speed handpiece is a. Friction-grip.
This type of shank is specifically designed for use in high-speed handpieces and provides a secure connection to ensure efficient performance of the rotary instrument.
These shanks fit into the turbine of a high-speed handpiece. The standard length is 20mm long, but longer surgical lengths are available and these are commonly needed for veterinary work.
There are seven types,
The Straight Shank. The straight shank does just what it says on the tin.
The Cathedral Shank
The Tapered Shank
The Split Shank
The Knife Edge Shank
The Bypass Shank
The Interlocked Shank
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1. Work = ………………x……………………….
2. ……………….energy is obtained from loudspeakers, while ………….is obtained from solar cells.
3. The energy produced from burning of wood is …………energy, while energy stored in a stretched spring is
……………… energy.
4. The factors that affect potential energy are …………….. and …………….
5. Mass is determined by…………unit, while the weight is determined by …………..unit.
Answers
Answer:
1.
2sound,solar energy
3.heat energy
Match the following list of key words with their definitions
__ an objects
the rate at which an object changes position when traveling in a certain direction
_____
the rate at which an object changes position
_____
the unit of force in the metric system
_____
an object´s resistance to its motion changing, expressed as the object´s mass times the object´s velocity
____
the amount of matter or "stuff" an object is made up of
1.
mass
2.
momentum
3.
Newton
4.
speed
5.
velocity
Question 2
Match the following list of key words with their definitions:
_____
a push or pull; any quantity that produces, or is capable of producing, motion
_____
force of resistance acting between objects in contact and tending to dampen their motion
____
force of attraction between all masses in the universe
_____
attractive or repulsive force acting between charged particles
_____
rate of change in velocity, which is the change in velocity divided by the change in time
1.
acceleration
2.
electromagnetic force
3.
force
4.
friction
5.
gravity
Answers
Question 1 :
1. VELOCITY
2. SPEED
3. NEWTON
4. MOMENTUM
5. MASS
Question 2
1. FORCE
2. FRICTION
3. GRAVITY
4. ELECTROAGNETIC FORCE
5. ACCELERATION
An uncharged object becomes charged without direct contact.
What method of charging is occurring?
Answers
Answer:
chargeing by induction
Explanation:
this is the answer have a great day
(ii) Let R be a rotation and S be a reflection of the euclidean plane E. Give a precise deion of RS, relating it to the classification of isometries of E². Be careful of special cases.
Answers
RS is a composition of rotation and reflection in the Euclidean plane E². The precise description of RS depends on the specific properties of the rotation R and reflection S.
In general, if R and S have the same axis or line of symmetry, the composition RS results in a translation. If R and S have intersecting lines of symmetry, RS yields a glide reflection. If R and S have perpendicular lines of symmetry, RS produces a rotation.
It is important to consider special cases, such as parallel lines of symmetry, coinciding axes, or perpendicular lines of reflection, as they may lead to different outcomes. The classification of isometries in E² involves understanding how rotations and reflections combine to create different transformations in the plane.
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h John has been taking exam (for, since, from) last Sunday. This is the place... ...........(which, where, that) I found this bag Reeta ............... (as well as, besides, and) Sita is here, No rain fell that month the crops all failed. (although, so, however) She speaks she knows all about it. (as it, however, unless) Sumit studied hard he could get success. (as, because, so that) This is the village I was born. (where, which, when) his higher qualification, he was a failure as a teacher, (Because, In spite of, Even though) This is the book I wanted. (when, whom, that) She went to school............... her illness. (though, because of, in spite of) I don't know the spot he met with the accident. (who, where, which)
Answers
Answer:
YOP
Explanation:
Caught that boy lacking aint no capping had to stand on business
find the odd one out: asteroids on the asteroid belt, a comet, the moon or Saturn
Answers
Answer:
Explanation:
A change in an object’s motion—such as Xander speeding up on his scooter—is called acceleration. Acceleration occurs whenever an object is acted upon by an unbalanced force. The greater the net force acting on the object, the greater its acceleration will be, but the mass of the object also affects its acceleration. The smaller its mass is, the greater its acceleration for a given amount of force. Newton’s second law of motion summarizes these relationships. According to this law, the acceleration of an object equals the net force acting on it divided by its mass.
An engineering team has come to the stage in the engineering design
process in which it is iterating to improve the solution. What is one thing the
team might be doing?
A. Defining the problem so that the team can identify the criteria and
constraints of the chosen solution
B. Improving its design based on the results from tests on the
prototype
O C. Analyzing the prototype so that the team can brainstorm multiple
solutions to the design problem
D. Defining the criteria and constraints so that the team can design a
model to test its chosen solution
Answers
Answer:
B
Explanation:
mine were worded a little differently. On mine it said "Making improvements to the original prototype in order to perform more tests" but i got it right sooo....hope this helps somebody
B. Improving its design based on the results from tests on the
prototype
The following information should be considered:
Since the engineering team has come to the stage in the engineering design process So here the team should improve the design that depend upon the results arise from the test done on the prototype. Therefore, the option b is correct.Learn more:
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2 questions, brainliest if you get them correct! please only answer if you really know you are right.
thanks! :)
Answers
Answer:
1. C2. ABrainliest please thanks
Answer:
Number 1 is c and number 2 is a
A power station that is being started up for the first time generates 6120 MWh of energy over a 10 hour period. (i) If the rated power at full capacity is 660 MW, calculate how long it takes the power station to reach its full power output. (You may assume a constant increase in power from zero to full power) (ii) State what type of power station can be started up fastest and explain why the start-up times for other types of power station are slower. Explain briefly, how this is relevant to optimising the usage of windfarms. c) What is the Bremsstrahlung effect and how can it be avoided in shielding design? d) Sketch the electromagnetic field output from an antenna, describing in detail the two main regions in the output field.
Answers
(i)Therefore, it takes approximately 9.27 hours to reach its full power output.(ii)It is necessary to have quick-start power sources, this helps maintain a stable and reliable electricity supply even when wind speeds fluctuate.(c)The Bremsstrahlung effect needs to be considered to ensure proper radiation protection.(d) The near-field region is characterized by strong electric and magnetic fields while the far-field region represents the radiation zone.
(i) To calculate the time it takes for the power station to reach its full power output, we can use the formula:
Energy = Power × Time
Given that the power station generates 6120 MWh of energy over a 10-hour period and the rated power at full capacity is 660 MW, we can rearrange the formula to solve for time:
Time = Energy ÷ Power
Converting the energy to watt-hours (Wh):
Energy = 6120 MWh × 1,000,000 Wh/MWh = 6,120,000,000 Wh
Converting the power to watt-hours (Wh):
Power = 660 MW × 1,000,000 Wh/MW = 660,000,000 Wh
Now we can calculate the time:
Time = 6,120,000,000 Wh ÷ 660,000,000 Wh ≈ 9.27 hours
Therefore, it takes approximately 9.27 hours (or 9 hours and 16 minutes) for the power station to reach its full power output.
(ii) The type of power station that can be started up fastest is a gas-fired power station. Gas-fired power stations can reach full power output relatively quickly because they use natural gas combustion to produce energy.
In contrast, other types of power stations, such as coal-fired or nuclear power stations, have longer start-up times. Coal-fired power stations require time to heat up the boiler and generate steam, while nuclear power stations need to go through a complex series of procedures to ensure safe and controlled nuclear reactions.
This is relevant to optimizing the usage of windfarms because wind power is intermittent and dependent on the availability of wind. This helps maintain a stable and reliable electricity supply even when wind speeds fluctuate.
(c) The Bremsstrahlung effect is a phenomenon that occurs when charged particles, such as electrons, are decelerated or deflected by the electric fields of atomic nuclei or other charged particles. As a result, they emit electromagnetic radiation in the form of X-rays or gamma rays.
In shielding design, the Bremsstrahlung effect needs to be considered to ensure proper radiation protection. These materials effectively absorb and attenuate the emitted X-rays and gamma rays, reducing the exposure of individuals to harmful radiation.
(d) The electromagnetic field output from an antenna can be represented by two main regions:
Near-field region: This region is closest to the antenna and is also known as the reactive near-field. It extends from the antenna's surface up to a distance typically equal to one wavelength. In the near-field region, the electromagnetic field is characterized by strong electric and magnetic field components.
Far-field region: Also known as the radiating or the Fraunhofer region, this region extends beyond the near-field region.The electric and magnetic fields are perpendicular to each other and to the direction of propagation. The far-field region is further divided into the "Fresnel region," which is closer to the antenna and has some characteristics of the near field, and the "Fraunhofer region," which is farther away and exhibits the properties of the far-field.
The transition between the near-field and the far-field regions is gradual and depends on the antenna's size and operating frequency. The size of the antenna and the distance from it determine the boundary between these regions.
In summary, the near-field region is characterized by strong electric and magnetic fields, while the far-field region represents the radiation zone where the energy is radiated away as electromagnetic waves.
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a helicopter rotor slows down at a constant rate from 350 revs/min to 260 revs/min in 1.5 minutes. (a) find the angular acceleration (i.e. change in rev/min) during this time interval. what are the units of this acceleration?
Answers
The angular acceleration is - 60 revs/min² or - π /30 rad/s². The result is obtained by using the formula for acceleration.
What is angular acceleration?An angular acceleration or rotational acceleration is the rate of change in angular velocity per unit time. It can be expressed as
α = Δω/t
Where
α = angular accelerationΔω = change in angular velocityt = timeRevs/min is read revolutions per minute. It is equal to 2π/60 rad/s.
A helicopter rotor slows down at a constant rate.
ω₁ = 350 revs/minω₂ = 260 revs/mint = 1.5 minFind the angular acceleration and the units of this acceleration!
The angular acceleration is
α = Δω/t
α = (ω₂ - ω₁)/t
α = (260 - 350)/1.5
α = (-90)/1.5
α = - 60 revs/min²
The unit of the acceleration can be changed in rad/s².
α = - 60 revs/min²
α = - 60 × 2π rad × 1/360 /s²
α = - π /30 rad/s²
Hence, the angular acceleration is - 60 revs/min² or - π /30 rad/s².
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A 1500 kg car is approaching the hill shown in (Figure 1) at 11 m/s when it suddenly runs out of gas. Neglect any friction.
Answers
The 1500 kg car is approaching a hill at a speed of 11 m/s. When it runs out of gas, it will start to slow down due to the gravitational force acting on it. In this scenario, we can neglect any friction.
To understand what happens next, we need to consider the forces at play. The main force acting on the car is its weight, which is the force of gravity pulling it downward. As the car goes up the hill, the weight force will act against its motion, causing it to slow down.
Since the car is moving uphill, the gravitational force is acting in the opposite direction of its velocity. This means that the work done by the force of gravity is negative. The work done is given by the equation: work = force * distance * cos(angle between force and displacement).
As the car moves up the hill, its potential energy increases while its kinetic energy decreases. At the top of the hill, the car will momentarily come to a stop before starting to roll back down due to gravity.
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