Power: JEE Questions & Solutions

A body of mass 4 kg is placed at a point P having coordinates (3,4) m. Under the action of force F = (2 i + 3 j) N, it moves to a new point…

A sand dropper drops sand of mass m(t) on a conveyor belt at a rate proportional to the square root of the speed v of the belt, i.e., dmdt…

An object of mass 1000 g experiences a time-dependent force F = (2t i + 3t^2 j) N. The power generated by the force at time t is:

A body of mass 1 kg begins to move under the action of a time dependent force F = i + 3t j N. where i and j are the unit vectors along x…

A body of mass 2 kg is initially at rest. It starts moving unidirectionally under the influence of a source of constant power P. Its…

If the maximum load carried by an elevator is 1400 kg (600 kg - Passengers + 800 kg - elevator), which is moving up with a uniform speed of…

A block of mass 5 kg starting from rest pulled up on a smooth incline plane making an angle of 30^ with horizontal with an affective…