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# A projectile is shot from the edge of a cliff h = 285 m above ground level with an initial speed of v0 = 115 m/s at an angle of 37.0 with the...

A projectile is shot from the edge of a cliff h = 285 m above ground level with an initial speed of v0 = 115 m/s at an angle of 37.0° with the horizontal.

(a) Determine the time taken by the projectile to hit point P at ground level.
1 s
(b) Determine the range X of the projectile as measured from the base of the cliff.
2 km
(c) At the instant just before the projectile hits point P, find the horizontal and the vertical components of its velocity. (Take up and to the right as positive directions.) horizontal 3 m/s
vertical 4 m/s
(d) What is the the magnitude of the velocity?
5 m/s
(e) What is the angle made by the velocity vector with the horizontal?
6° (below the horizontal)
(f) Find the maximum height above the cliff top reached by the projectile.
7 m

## This question was asked on Sep 15, 2010.

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