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A rock was dropped from a bridge over a river If the rock was released when it was 11.2 m above the water and it took 0.550 s to reach the water, what its velocity when it was released?​
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A rock was dropped from a bridge over a river

If the rock was released when it was 11.2 m above the water and it took 0.550 s to reach the water, what its velocity when it was released?​

User Pavel Zdenek
by
7.8k points

1 Answer

3 votes
11.2 = 0.550u + 1/2 * 9.8 * (0.550)^2

u = 17.67 m/s
User Amod Gokhale
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8.5k points
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