1.

A solid sphere has linear velocity v_(0)=4 m/s and angular velocity omega_(0)=9 rad/s as shown. Ground on which it is moving , is smooth . Itcollides elastically with a rough wall of coefficient of friction mu . Radius of the sphere is 1m and mass is 2 kg . What is net linear impulse imparted by the wall on the sphere during impact ?

Answer»

`SQRT(32) N-s`
`4sqrt(17) N-s`
`4sqrt(5) N-s`
`15sqrt(2) N-s`

Answer :B


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