A projectile is launched straight up at 69 m/s from a height of 71 m, at the
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Question:
A projectile is launched straight up at 69 m/s from a height of 71 m, at the edge of a sheer cliff. The projectile falls just missing the cliff and hitting the ground below. (a) Find the maximum height of the projectile above the point of firing.
(b) Find the time it takes to hit the ground at the base of the cliff.
(c) Find its velocity at impact
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