Consider a drop of rain water having mass 1 g falling from a height of `1 km`. It hits the
Channel: Doubtnut
Date: 2020-08-16

Consider a drop of rain water having mass 1 g falling from a height of `1 km`. It hits the ground with a speed of `50 m//s` Take `'g'` constant with a volume `10 m//s^(2)`. The work done by the  (i) gravitational force and the (ii) resistive force of air is :