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

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