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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A body is thrown with a velocity v0 at an angle theta0 with horizontal. Find the (a) instantaneous power delivered by gravity after a time t measured from the instant of projection and (b) average power delivered by gravity during the time t.

A body is thrown with a velocity v0 at an angle theta0 with horizontal. Find the (a) instantaneous power delivered by gravity after a time t measured from the instant of projection and (b) average power delivered by gravity during the time t.

An elevator of mass M with a person of mass m is moving upward with uniform velocity v. What is the power delivered by the elevator?