Asked by Anonymous
A 1.9 kg book has been dropped from the top of the building. Its speed Is 4.98 m/s when it is 3.0 meters above the ground. What is its total mechanical energy? Assume there is no air resistance.
Answers
Answered by
oobleck
PE = mgh
KE = 1/2 mv^2
KE = 1/2 mv^2
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