A balloonist happens to drop his metal ballpoint pen from his balloon as he is taking notes on his flight. Because his pen has a streamlined shape, air resistance has little effect on its fall. The pen strikes the ground at 22 m/s. How high was the balloon?
(Points : 6)
25 m
49 m
850 m
9,500 m

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u have to find acceleration to find height

the formula that can be used is v^2=u^2+2as

wht is your answer

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