Jee Main
Work Power And Energy
JEE Main 2021 (Online) 1st September Evening Shift
MCQ+4 / -12021
A body of mass 'm' dropped from a height 'h' reaches the ground with a speed of 0.8\(\sqrt {gh}\). The value of workdone by the air-friction is :
Jee Main
JEE Main 2021 (Online) 1st September Evening Shift