1.

An Athlete in the Olympic games covers a distance of 100 m in 10s, this kinetic eneryg can be estimated to be in the range (assume m=60kg)

Answer»

200J-500J
`2XX10^(5)J-3xx10^(5)j`
`20000J-50000J`
`2000J-5000J`

SOLUTION :`V_(av)=5/t=10ms^(-1),m=60 kg implies`Av K.E. =3000J


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