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8. A motorbike is ridden up the left side of a symmetrical ramp. The bike
reaches the top of the ramp at speed u, becomes airborne and falls to a point P
on the other side of the ramp.
e
In terms of u, land g, obtain expressions for:
(a) the time t for which the motorbike is in the air
(b) the distance OP (= 1) along the right side of the ramp.

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