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Type in your calculated answer (numbers only) to the problem posed below. You can keep attempting the problem until you get verification through the evaluation button. Please note that the numbers in the problem are changed randomly every time the page is loaded.

The following are work and energy problems. Use the equations in your book/notes to solve them.

1) How much work is required to lift a kilogram piano to a window whose height is meters from the ground?

2) If it takes the movers 3 minutes to lift the piano to the window, what is their power?

3) A child begins down a frictionless water slide with an initial velocity of m/s. If the slide is m tall, what is the final velocity of the child as she leaves the slide?

This internet problem javascript and source code was adapted from that of Neil Schmidgall of Glenbrook South High School.

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