4 A long flat vehicle of mass M with intial speed u pass

Last updated: 6/21/2023

4 A long flat vehicle of mass M with intial speed u pass below a stationary hopper Sand fal on to the vehicle at a constant rate kg sec starting at t 0 Neglect friction on the floor Mass M Mu M t B Speed remains unchanged as u with time A Speed as a function of time is C Mechanical energy loss till time t is kg s D Mechanical energy loss till time t is 1 Matu 2 M t Matu M 2 u at t 0