Physics
posted by Rachel .
In the figure below, a stone is projected at a cliff of height h with an initial speed of 46.0 m/s directed 60.0° above the horizontal. The stone strikes at A, 5.30 s after launching.
(a) Find the height, h, of the cliff.
m
(b) Find the speed of the stone just before impact at A.
m/s
(c) Find the maximum height H reached above the ground.
m

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