Two bodies of masses m₁ and m₂ have equal kinetic energies. If p₁ and p₂ are the
NextThe relation between a conservative force F and potential energy U is given by:
An object of mass 5 kg falls from rest through a vertical distance of 20 m and reaches a velocity of
MediumFind out potential energy of the system
EasyRead both the statements carefully and choose the correct alternative. Assertion (A): The instantane
EasyA quarter horse power motor runs at a speed of 600 r.p.m. Assuming 50% efficiency, the work done by
EasyA body is suspended from a smooth horizontal nail by a string of length 0.25 metre. What minimum hor
EasyAn insect is crawling in a hemi-spherical bowl of radius R. If the coefficient of friction between t
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