A bullet of mass 10 gm hits a fixed target and penetrates through 8cm in it before coming to rest. If the average resistance offered by the target is 100 N, the velocity with which the bullet hits the target is,

A bullet of mass 10 gm hits a fixed target and penetrates through 8cm

1.	A bullet of mass 10 gm hits a fixed target and penetrates through 8cm in it before coming to rest. If the average resistance offered by the target is 100 N, the velocity with which the bullet hits the target is,
Answer» 20 m/s 25 m/s 40 m/s 50 m/s Answer :C