1 Answers

Gaurav Gardi ·

vertical component of initial velocity =12m/s(taking g=10m/s2)
it will pass through the ring 1.2s after he releases the ball.
the direction of initial velocity relative to the frame of reference of the flat car=tan-1(3/4) with the horizontal.
he must release the ball at a horizontal distance of 19.2m in front of the ring.

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