Wednesday, February 13, 2008

Irodov Problem 1.119

The entire work done on the mass is converted into kinetic energy and so not surprisingly the work done is equal to its kinetic energy as derived beside. Now,

1 comment:

roshan said...

well, dear in problem no. 1.119 u wrongly have cross multiplied after the equation 1. u have written v=ds/dt=a* root under s
if we do cross multiply it should be
ds/root under s=a *dt
but u have howsoever have brought
ds*root under s=a*dt
and howsoever u have manage to bring the answer, but it's not mathematically correct.