2 A plate of mass M is kept floating in a horizontal

Last updated: 6/24/2023

2 A plate of mass M is kept floating in a horizontal position by shooting particles of mass m vertically up from below Each particle hits the plate with a speed of u and rebounds with the same speed Calculate the number of particles that should be shot per unit time to keep the plate in equilibrium 1 3 Mg mu Mg 2mu 2 4 2Mg mu 4Mg