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April 17, 2014

Homework Help: 12th grade

Posted by sundus on Tuesday, September 22, 2009 at 8:44pm.

A projectile is shot from the edge of a cliff h = 125 m above ground level with an initial speed of v0 = 115 m/s at an angle of 37.0 with the horizontal, as shown in Fig. 3-39
(a) Determine the time taken by the projectile to hit point P at ground level.
(b) Determine the range X of the projectile as measured from the base of the cliff.
(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).
(d) What is the the magnitude of the velocity?
(e) What is the angle made by the velocity vector with the horizontal?

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