Asked by Ramakanth
A bullet fired into a fixed target loses half of its initial velocity in penetrating 15cm. How much further it will penetrate before coming to rest?
Answers
Answered by
Scott
the velocity is half, so the remaining energy (kinetic) is a quarter of the original
3/4 of the energy to penetrate 15 cm
it will penetrate another 5 cm
3/4 of the energy to penetrate 15 cm
it will penetrate another 5 cm
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