Question

A rifle bullet is fired at an angle of 28.3° below the horizontal with an initial velocity of 177 m/s from the top of a cliff 52.2 m high. How far from the base of the cliff does it strike the level ground below?
bobpursley
Horizonal velocity: 177 cos28.3

vertical velocity: - 177sin28.3

time to hit ground.
-52.2=-177sin28.3*t-1/2 g t^2 solve that for time t.

horizonal distance=horizonalVelocity*t

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