How can we calculate push of air on the freely falling body, given the height and velocity it acquires

Asked by  | 4th Jan, 2012, 07:26: PM

Expert Answer:

FROM WORK ENERGY THEOREM:work done(net)=change in kinetic energy=1/2  mv2 =500J
work done by gravitational pull=mgh=1000J
now net work done=work by grav pull+resistive force(R)of air=1000-R
R=500 J

Answered by  | 5th Jan, 2012, 10:49: AM

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