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A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how long did it take the ball to fall to the ground?<…

A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how long did it take the ball to fall to the ground?<…
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A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how long did it take the ball to fall to the ground?

User Honza
by
7.8k points

1 Answer

0 votes
v=u+at
49=0+9.8t
t=49/9.8
t = 5 (seconds)

User Melvina
by
7.5k points
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