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What is the kinetic energy at the top of a hill?
The amount of potential energy is dependent upon mass and height and is found using the equation PE=m*g*h where g is the acceleration of gravity (approximated here to be 10 m/s/s). For a 50-kg sledder on top of a 4.0-meter high hill, the potential energy is 2000 Joules.
What energy store is a rock at the top of a hill?
Explanation: Potential energy. Gravitational potential energy is the energy stored in an object as the result of its vertical position or height.
Is a boulder at the top of a hill kinetic energy?
A boulder at rest on top of a hill contains abundant potential, or stored, energy. When the boulder falls, its potential energy will change to kinetic energy, the energy of motion. When the boulder stops moving, its kinetic energy will transform back to potential energy.
What is kinetic energy at the bottom of the hill?
If you start rolling down the hill, your potential energy will be converted to kinetic energy. At the bottom of the hill your kinetic energy will be equal to your potential energy at the top.
What energy does rock on a hill?
Kinetic energy
Kinetic energy is the energy an object has due to its motion. example, remember that rock sitting at the top of the hill? When the rock starts rolling down the hill it has kinetic energy.
When the cart is at the top of the hill does it have?
Answer: B – The cart has maximum kinetic energy.
What type of energy does a boulder have at the top of a cliff?
potential energy
A rock sitting on top of a cliff has potential energy. It is more than just the ability. A rock sitting on the ground could move if someone picked it up.
How does a boulder have potential energy?
A boulder sitting on top of a mountain has potential energy, because if it begins to roll down the mountain it will gain kinetic energy as gravity pulls it to the Earth. The higher the boulder is, the more potential energy it contains.
Where is kinetic energy the greatest?
Kinetic energy is energy an object has because of its motion and is equal to one-half multiplied by the mass of an object multiplied by its velocity squared (KE = 1/2 mv2). Kinetic energy is greatest at the lowest point of a roller coaster and least at the highest point.
What energy does a rock on top of a hill have?
Therefore, when rock is resting on top of a hill then the rock has only potential energy. On the other hand, when rock is rolling down then it has attained kinetic energy. Thus, we can conclude that a rock resting on the top of a hill has potential energy, while a rock rolling down a hill has kinetic energy.
What happens to kinetic energy when you climb a hill?
Kinetic energy slowly decreases and at the same rate potential energy increases as the biker climb up the hill. When the biker is halfway up or down the hill, kinetic energy and potential energy are equal. At the top of the hill, potential energy is at maximum and kinetic energy is zero.
How do you identify potential and kinetic energy?
Complete the passage to identify potential and kinetic energy. A rock resting on the top of a hill has energy, while a rock rolling down a hill has energy. rolling down a hill has KINETIC energy.
Where is the kinetic energy of the biker greatest?
The correct option is – As biker is on the downside of the hill that is where the kinetic energy is greatest. Kinetic energy slowly decreases and at the same rate potential energy increases as the biker climb up the hill. When the biker is halfway up or down the hill, kinetic energy and potential energy are equal.