how do you do this question

Physics
Tutor: None Selected Time limit: 1 Day

A ball with a horizontal speed of 1.8m/s rolls off a bench 2.5 m high. a) how long will it take the ball to reach the floor? and b) how far from a point on the floor directly below the edge of the bench will the ball land?

Sep 30th, 2014

It depends on the horizontal distance it travels. Let d be the distance.

Time for horizontal movement = d/1.8 seconds

The vertical fall will take = square root of (2.5 m/(9.8 m/sec^2) = square root of (2.5/9.8) sec= 0.5051 = 0.5 sec

Total time =d/1.8+0.5

It will be at a distance of d meters

Sep 30th, 2014

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Sep 30th, 2014
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