# pa help po . a cannonball is dropped from the top of a building

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pa help po . a cannonball is dropped from the top of a building

pa help po . a cannonball is dropped from the top of a building 45m above the ground what is the speed of the cannonball just before it strike the ground .

$v = \sqrt{2gh}$

$v = \sqrt{2(9.81)(45)}$

$v = 29.7 ~ \text{m/sec}$