Find out the gravitational potential energy

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Reference no: EM13119432

Q. A 83g arrow is fired from a bow whose string exerts an average force of 125N on the arrow over a distance of 81cm .What is the speed of the arrow as it leaves the bow?

Q. A 120-N child is in a swing that is attached to ropes 2.20 m long. Find the gravitational potential energy associated with the child relative to her lowest position at the following times.

Reference no: EM13119432

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