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Posted by on Thursday, November 3, 2011 at 10:56am.

A piano of mass 800 kg is hoisted up to a 15 meter height. Just then, the rope breaks with the piano plummeting down to the ground. What is the velocity of the piano when it strikes the ground?

  • physics - last help - , Thursday, November 3, 2011 at 12:04pm

    KE gain = PE loss.

    Make and demonstrate an effort of your own or expect no further help from me on your other questions.

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