A crate slides from rest and accelerates uniformly at 4.9 ms along a frictionless roof 3 m long which is inclined at an angle of 30° to the horizontal as indicated in the Figure below. Determine: the velocity of the crate just after losing contact with the roof, (ii) the velocity (magnitude and direction) of the crate just before it hits the ground, (i) the time the crate takes to hit the ground after losing contact with the roof, and (iv) the horizontal distance between the point directly below the roof and the landing Point (ie the range)
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