Recent content by Puneet Tanwar

Understood. Thanks!

Hi - I'm looking for some help with the solution of this problem "A 1 kg block situated on a rough incline is connected to a spring with spring constant 100 Nm-1 as shown in Figure. The block is released from rest with the spring in the unstretched position. The block moves 10 cm down the...

Is this the right way of looking at it: since the loss of PE is dissipated, she does not have to do any negative work against gravity on the way down?

Hi - Question: A person trying to lose weight (dieter) lifts a 10 kg mass, one thousand times, to a height of 0.5 m each time. Assume that the potential energy lost each time she lowers the mass is dissipated. (a) How much work does she do against the gravitational force ? (b) Fat supplies 3.8...