A 3 0 0 - kg piano being held by a crane is accidentally dropped from a
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Question:
A kg piano being held by a crane is accidentally dropped from a height of meters.
a What is the speed of the piano just before it hits the ground?
b How much energy is dissipated when the piano hits the ground?
c What are some indicators of this release of energy that could be observed during and shortly after the piano hits the ground?
d Suppose that a parachute is used to slow the fall of the piano.
i How would the amount of kinetic energy dissipated by the ground change? Explain.
ii How would the total amount of energy dissipated change? Explain.
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