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Q. An 88 g arrow is fired from a bow whose string exerts the average force of 110 N on the arrow over a distance of 78.00 cm. What is the speed of the arrow as it leaves the bow?

Q. A 75.00 m long train begins uniform acceleration from rest. The front of the train has a speed of 23 m/s when it passes the railway worker who is standing 180m from where the front of the train started. What would be the speed of the last car as it passes worker?

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Category:- Physics
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