Question : If a body loses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before coming to rest?
(a) 1cm
(b) 2cm
(c) 3cm
(d) 4cm
Answer : The right option is (a)
Solution :
If a body loses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before coming to rest?
with
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