A ball with a horizontal speed of 1.25 m/s rolls from a bench thatis 1 m above t

Question

A ball with a horizontal speed of 1.25 m/s rolls from a bench thatis 1 m above the floor. 1) How long will it take for the ball to roll off the benchand onto the floor? 2) How far from a point on the floor directly below the edgeof th bench will the ball land? I am having trouble with this problem. For the firstquestion I found the time to be .45 seconds. The secondproblem is really confusing me. Please help! Thanks. 1) How long will it take for the ball to roll off the benchand onto the floor? 2) How far from a point on the floor directly below the edgeof th bench will the ball land? I am having trouble with this problem. For the firstquestion I found the time to be .45 seconds. The secondproblem is really confusing me. Please help! Thanks.

Explanation / Answer

You have the correct answer to the first part. For thesecond part, simply use the equation d = vt. This equationworks because there is no force acting horizontally so it willalways have a horizontal speed of 1.25 m/s. So, we havethat d = (1.25 m/s)(0.45s) = 0.56m.

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