Two blocks (Block B is heavier than block A) are at rest side by side at the bot

Question

Two blocks (Block B is heavier than block A) are at rest side by side at the bottom of a frictionless inclined plane. Some time after block A is kicked up the plane, block B is given a kick up the plane. Block A is headed down plane when it passes block B headed up the plane. At the instant when block A passes block B_______? a)it has the same position and velocity as block B b)it has the same velocity and acceleration as block B c)it has the same displacement and velocity as block B d)it has the same position and acceleration as block B e)it has the same position, displacement and velocity as block B

Explanation / Answer

d) it has same position and acceleration as block B Because the acceleration is always constant for both which is gravitational in downward direction(inclined component).As they are crossing, means they are in same position.While velocity direction are opposite while magnitude is unknown.

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