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A student drops a rock from a bridge to the water 13.1 m below. With what speed does the rock strike the water? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m/s.
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A student drops a rock from a bridge to the

water 13.1 m below.
With what speed does the rock strike
the water? The acceleration of gravity is
9.8 m/s
2
.
Answer in units of m/s.

User TimHorton
by
7.8k points

1 Answer

3 votes
v=gt. =. g times the square root of 2 times h/g =. The square root of 2gh. =. The square root of 2*9.8*13.1 = 16.023 m/s
User Yennsarah
by
7.4k points
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