An object is dropped (released) from a bridge. A second object is thrown downward with some initial velocity 1.00 s after the first object is released. The two objects reach the water 20.0 m below at the same instant. What was the initial speed of the second object?

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Q: While standing on a bridge 16.8 m above the ground, you drop a stone from rest. When the stone has…

A: See below

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A: in this question we determine  initial velocity by equation of motion.

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A: