Laurence throws a rock off the edge of a tall building at an angle of from the horizontal with an initial speed of .

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What is the vertical kinetic energy right before the rock hits the ground?

Laurence throws a rock off the edge of a tall building at an angle of from the horizontal with an initial speed of .

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What is the total mechanical energy in the vertical direction when the rock is released?

Sam throws a rock off the edge of a tall building at an angle of from the horizontal. The rock has an initial speed of .

What is the total vertical mechanical energy as the rock leaves Sam's hand?

Which of the following is not an example of potential energy?

A man stands on a tall ladder of height . He leans over a little too far and falls off the ladder. If his mass is , what is his velocity right before he hits the ground?

A mass is put at the end of a spring with a spring constant of . The spring is then compressed . What is the maximum velocity of the mass?

A book falls off the top of a bookshelf. What is its kinetic energy right before it hits the ground?

A man stands on a tall ladder of height . He leans over a little too far and falls off the ladder. If his mass is , what is his potential energy right before he falls?

A runner arrives at the bottom of a hill. He runs up the hill with a constant acceleration until he reaches the top, then runs at a steady pace along the top of the hill. When are the kinetic and potential energies of this man at their greatest?

A ball drops from a height . What more do we need to calculate initial potential energy?