What is the range of the projectile launched horizontally at 25 m/s from the 18 m-high cliff edge
Since horizontal and vertical motions are independent, the time of fall can be found from the following kinematic equation:
where and .
For the same reason the initial speed in horizontal direction does not change, and the distance travelled in this direction (range) can be found as follows:
where . Thus, obtain:
Answer. 92m.
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