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An object falls from a bridge that is 45...

An object falls from a bridge that is 45 m above the water.It falls deirectly into a small row-boat moving with constant velocity that was 12 m from the point of impact when the object was released .What was the speed of the boat?

A

2 m/s

B

3 m/s

C

5 m/s

D

4 m/s

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The correct Answer is:
D
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A stone is dropped into water from a bridge 44.1 m above the water. Another stone is thrown vertically downward 1 s later. Both strike the water simultaneously. What was the initial speed of the second stone?

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  13. A particle is projected vertically upwards with a velocity of 20m/sec....

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