Question

A and B are two points on a same vertical line. A is 20 m above groundwhile B is 40 m above ground. two small balss are released from rest, one from A and B each at t=0, neglect air resistance. All collisions are perfectly inelastic. Choose the correct options. (a)acceleration of A relative to B is zero. (b)acceleration of relative to B is 9.8m/s^2 (c)acceleration of A relative to B is zero in 0 sec ≤ t ≤ 2sec (d)acceleration A relative to B is 9.8m/s^2 in 2 sec ≤ t ≤ 2$\sqrt{2}$ [answer for 20 points.......imperfect answer will be reported]

Answer 1

Explanation:

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