Answer:
As the elevator is moving down with a uniforn speed (a =
0), so the value of g remains the same.
Here
P.E. lost by the bolt
As the bolt does not rebound,
the energy is converted into heat.
Heat produced =
8.82 J
Even if the elevator were stationary,
the same amount of heat would have produced because the value of g is same in
all inertial frames of reference.
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