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(11 %) Problem 9: A toy gun uses a spring with a force constant of 325 N/m to propel a 12-g steel ball. Assuming the spring is compressed 6.2 cm and friction is negligible, answer the following questions 33% Part (a) what is the magnitude of the force, in newtons, that is needed to compress the spring? 33% Part (b) What is the maximum height, in meters, to which the ball can be shot? 33% Part (c) What is the guns maximum range, in meters, on level ground?

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