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A ball falls down from the top of a height of 70m. How much time the ball will take to reach the ground?
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Jun 3, 2023
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A ball falls down from the top of a height of 70m.
How much time the ball will take to reach the ground?
Physics
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Arun David
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Height=h=70m
Acceleration due to gravity=g=9.8m/s²
Time be t
Apply second equation of kinematics
h=1/2gt²
gt²=2h
9.8t²=2(70)
t²=140/9.8
t²=14.3
t=3.78s
Ismail H
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Jun 9, 2023
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Ismail H
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