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A 87 arrow is fired from a bow whose string exerts an average force of 105 on the arrow over a distance of 75 .
What is the speed of the arrow as it leaves the bow?

What is the speed of the arrow as it leaves the bow?
What is the speed of the arrow as it leaves the bow?

Respuesta :

The solution would be like this for this specific problem:

 

V^2 = 2AS = 2FS/M

V = sqrt(2FS/M) = sqrt(2*105*.75/.087) = 44.52817783 = 42.5 mps

So the speed of the arrow as it leaves the bow is 42.5 mps.

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