A solid disc of mass M is just held in air horizontally by throwing 40 stones per sec vertically
Channel: Doubtnut
Date: 30/08/2020

A solid disc of mass M is just held in air horizontally by throwing 40 stones per sec vertically upwards to strike the disc each with a velocity 6 `ms^(-1)`. If the mass of each stone is `0.05kg` what is the mass of the disc `(g=10ms^(-2))`