Kjj M.

asked • 10/08/20

Problem #1: In a physics experiment, you want to find the distance from a bridge to the water below. You drop a dense rock from the bridge and it reaches the water in 2.75 s.

physics vertical uam equation

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Mark H. answered • 10/08/20

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I would use the "free-fall" equation:


d = 1/2 * a * t2

where a = acceleration of gravity = 9.8 m/sec2

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Kjj M.

how to find the accelaration of gravity?
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10/08/20

Mark H.

Physical constants such as the acceleration of gravity are normally easy to find with a Google search, or by simply going to Wikipedia. Here is their page on this: https://en.wikipedia.org/wiki/Acceleration_due_to_gravity
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10/08/20

Dr Gulshan S. answered • 10/08/20

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Kjj M.

thanks
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10/08/20

Kjj M.

how did you find the g sir?
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10/08/20

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