# Physics Homework #31 Potential and Kinetic Energy

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I provided one worksheet with the answers at the bottom and one with no answers for a quiz.

1. A can rolls down a board from a height of 30 cm. What is its speed at the bottom of the incline? __________________________________

2. A can achieved a speed of 1 m/s at the bottom of an inclined board, what must have been the height of the board? _________________

3. A 2 kg physics book is lifted from the floor to the teacher’s desk 1 m. How much potential energy did the book gain? ________________

4. A 2 kg physics book is lifted from the floor to the teacher’s desk 1 m. If the book were then allowed to fall to the floor how much work was done? _____

5. Elizabeth moved moving a book sitting on a 1 m table does not gain energy if I move it left or right on the table. _______

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3 pages
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Teaching Duration
30 minutes
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