Ramisha zahid on Nearpeer Intermediate (FSc) Common Room
A trolley of mass 1500 kg carrying sand bags of 500 kg is moving uniformly with a speed of 40km/h on a frictionless track. After some time, sand starts leaking starts leaking out of whole sand bags on the road at a rate of 0.05kg/s. What is speed of trolley after entire sand bags are empty?



