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A rock that falls off a cliff demonstrates both potential and kinetic energy. Which is the best comparison of these two forms of energy?
lifting a bag of groceries
Potential energy → Kinetic energy → Sound energy
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
the sum of the potential and kinetic energy
it can do work more quickly
As the kinetic energy increases, the potential energy decreases.
at the top of the highest hill
electric fan
The motor of one car is more powerful than the motor of another car. Which of the following must be true of the more powerful motor?
lifting a bag of groceries
Potential energy → Kinetic energy → Sound energy
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
the sum of the potential and kinetic energy
it can do work more quickly
As the kinetic energy increases, the potential energy decreases.
at the top of the highest hill
electric fan
Which of the following converts electrical energy into motion?
lifting a bag of groceries
Potential energy → Kinetic energy → Sound energy
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
the sum of the potential and kinetic energy
it can do work more quickly
As the kinetic energy increases, the potential energy decreases.
at the top of the highest hill
electric fan
Which of the following is the best example of work being done on an object?
lifting a bag of groceries
Potential energy → Kinetic energy → Sound energy
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
the sum of the potential and kinetic energy
it can do work more quickly
As the kinetic energy increases, the potential energy decreases.
at the top of the highest hill
electric fan
A roller coaster is climbing up the highest hill on its track. At which point will the front car of the coaster most likely have its greatest potential energy?
lifting a bag of groceries
Potential energy → Kinetic energy → Sound energy
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
the sum of the potential and kinetic energy
it can do work more quickly
As the kinetic energy increases, the potential energy decreases.
at the top of the highest hill
electric fan
Thomas watches an orange fall from a tree to the ground. Which best describes the flow of energy as the orange falls and hits the ground?
lifting a bag of groceries
Potential energy → Kinetic energy → Sound energy
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
the sum of the potential and kinetic energy
it can do work more quickly
As the kinetic energy increases, the potential energy decreases.
at the top of the highest hill
electric fan
A toy car is placed at the top of a ramp and released. Which situation describes how the cars energy is transformed?
lifting a bag of groceries
Potential energy → Kinetic energy → Sound energy
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
the sum of the potential and kinetic energy
it can do work more quickly
As the kinetic energy increases, the potential energy decreases.
at the top of the highest hill
electric fan
What does the mechanical energy of a system include?
lifting a bag of groceries
Potential energy → Kinetic energy → Sound energy
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
the sum of the potential and kinetic energy
it can do work more quickly
As the kinetic energy increases, the potential energy decreases.
at the top of the highest hill
electric fan
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