A bullet fired into a fixed target loses half of its velocity after penetrating 3 𝑐𝑚. How much further it will penetrate before coming to rest assuming that if faces constant resistance to motion

A bullet fired into a fixed target loses half of its velocity after penetrating 3 𝑐𝑚. How much further it will penetrate before coming to rest assuming that if faces constant resistance to motion

Question : A bullet fired into a fixed target loses half of its velocity after penetrating 3 𝑐𝑚. How much further it will penetrate before coming to rest assuming that if faces constant resistance to motion