science doubt

Asked by  | 3rd Mar, 2012, 06:45: AM

Expert Answer:

The work done on the trolley is to change its KE of trolley from (1/2*40*16) to zero.
 
So work done on the trolley = Change in KE.

Answered by  | 3rd Mar, 2012, 11:52: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.