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OpenStudy (carolinar7):
a ball is thrown straight upward with a speed of 20 m/s with what speed does the ball hit the ground?
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OpenStudy (carolinar7):
and i have another one the total time of all remains in the air is 14 seconds. a)with what speed was the ball thrown upwards b)what is the maximum height reached by the ball
OpenStudy (carolinar7):
I say 20m/s for the first one
OpenStudy (carolinar7):
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