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M2 Question

A stone is projected with speed u ms^-1 at an angle z above horizontal from the top of a vertical cliff which is 56 m high. The stone moves in a vertical plane which is perpendicular to the cliff and lands in the sea 4s later at a point which is 32m from the foot of the cliff.

(a) the value of u
(b) value of z
(c) speed with which the stone hits the sea
(d) the direction of motion of the stone when it hits the sea.
Original post by Tom22561
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(edited 7 years ago)

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