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 it faces constant resistance to motion?.......$cm$
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 it faces constant resistance to motion?.......$cm$
- A
$4$
- B
$1$
- C
$3$
- D
$2$
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