Question

13. A 119 g mass is attached to the end of an unstressed vertical spring (of constant 52.5 N/m) and then dropped. The acceleration of gravity is 9.8 m/s2 What is its maximum speed? Correct answer: 0.466573 m/s. 14. A(n) 60.3 g ball is dropped from a height of 53.7 cm above a spring of negligible mass. The ball compresses the spring to a maximum displacement of 4.68317 cm. The acceleration of gravity is 9.8 m/s2 Calculate the spring force constant k. 15. A(n) 60.3 g ball is dropped from a height of 53.7 cm above a spring of negligible mass with a spring constant of 315 N/m. The ball compresses the spring to a maximum displacement of The acceleration of gravity is 9.8 m/s2 Calculate the spring force constant k. Correct answer: 4.7 cm cm.I need help with these three problems pls. show steps and formulas pls thanks.

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By the conservation of energy ngh = ² k Dx² here Daih So, an= zing max = A w where A is the amplitude of som. So, Vmax= A**

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