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A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.97-g pellet is placed against the compressed and latched spring. The spring latches at a compression of 4.07 cm, and it takes a force of 9.12 N to compress the spring to that point. (a) If the gun is fired vertically, how fast is the pellet moving when it loses contact with the spring? (Include the effect of gravity and assume that the pellet leaves the spring when the spring is back to its relaxed length.) Submission History: 1. Incorrect. Your answer:·8.95 m/s. Correct answer: 8.897 m/s. The data used on this submission: 4.36 cm; Score: 0/2.5 You may resubmit below: m/s(0.004 m/s) (b) To what maximum height will the pellet rise? (as measured from the original latched position) Submission History: 1. Incorrect. Your answer: 4.087 m. Correct answer: 4.082 m. The data used on this submission: 4.36 cm Score: 0/2.5 You may resubmit below: m(±0.004 m)

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Answer #1

F= k ) и 9.12 0407 4 = 224.08 N/m by enersy Conservation Chet speed is a mgx + 1 = Į KR² m V = 224.08 x6040792 4.978103 - 2x9

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