Erik Drops a ball from a height of 15.0m above the ground. After it hits the ground it only bounces back up to a height of 13.5m. Erik Catches it at this point, as it is just about to fall back down.(adsbygoogle = window.adsbygoogle || []).push({});

just need some quick helping steps to get me started on these questions

help would be appreciated thanks.

a>)Calculate the speed of impact at the ground

b>)Calculate the initial speed of the ball as it boucnes off the ground

c>)Calculate the total time that the ball is in the air

d>)At what time does the ball pass a point 3.5m abov the ground

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# Homework Help: Calculate the speed of impact at the ground

**Physics Forums | Science Articles, Homework Help, Discussion**