A boy throws a stone vertically upward from a bridge, which is 20 m above the surface water. The stone strikes the water surface 8 s after its release. Calculate the speed by which the stone was thrown up? a) v = 15.42 m/s b) v = 19.57 m/s c) v = 10.25 m/s d) v = 22.52 m/s

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A boy throws a stone vertically upward from a bridge, which is 20 m above the surface of
water. The stone strikes the water surface 8 s after its release. Calculate the speed by
which the stone was thrown up?
a) v = 15.42 m/s
b) v = 19.57 m/s
c) v = 10.25 m/s
d) v = 22.52 m/s
Transcribed Image Text:p Expert Hring A boy throws a stone vertically upward from a bridge, which is 20 m above the surface of water. The stone strikes the water surface 8 s after its release. Calculate the speed by which the stone was thrown up? a) v = 15.42 m/s b) v = 19.57 m/s c) v = 10.25 m/s d) v = 22.52 m/s
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