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

Question

( A ) (i) 10 J (ii) – 8.75 J
( B ) (i) 100 J (ii) 8.75 J
( C ) (i) –10 J (ii) –8.25 J
( D ) (i) 1.25 J (ii) –8.25 J