Q. If a body loses half of its velocity on penetrating 3cm in a wooden block, then how much will it penetrate more before coming to rest?

 1593  190 JamiaJamia 2005 Report Error

Solution:

Let initial velocity of body at point A is v, AB is 3 cm.
From Let on penetrating 3 cm in a wooden block, the body moves x distance from B to C. So, for B to C (deceleration)

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