A boy of mass60kgis running at5m/s . Find the work done by him.
SujithaRamakrishnan:
work done is equal to force *displacemwnt. pls mention the displacement
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boy is moving with speed 5 m/s so, boy have must kinetic energy .
here ,
kinetic energy of boy = work done by boy
1/2 mv² = work done by boy
1/2 × 60 × 25 = workdone by boy
work done by boy = 750 Joule
here ,
kinetic energy of boy = work done by boy
1/2 mv² = work done by boy
1/2 × 60 × 25 = workdone by boy
work done by boy = 750 Joule
good
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