Question #334012

A brick is dropped from 100 m up. Find its impact velocity and air time


1
Expert's answer
2022-04-26T14:55:19-0400

v=2gh=44.3 ms,v=\sqrt{2gh}=44.3~\frac ms,

t=2hg=4.5 s.t=\sqrt{\frac{2h}g}=4.5~s.


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