-10 -10- -10 5. A spring hangs with its natural length of 1.5 m from a...

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-10 -10- -10 5. A spring hangs with its natural length of 1.5 m from a ceiling. A student hangs a 6 kg block on the spring, and then gently lowers the block until the block is at rest at equilibrium. Once at equilibrium, the spring's length is 3.5 m. For each part that requires calculation, explain why equations are chosen and where plug-ins come from. (a) Calculate the spring constant of the spring. (c) Calculate the decrease in the block-Earth system's potential energy. F/d F= (10) (6)=60N 6000 3.5-1.5 = 2 =30N/m (b) Calculate the increase in the spring's potential (d) Your answers to (c) should be greater than energy. your answer to (b). Explain why more energy is lost from the block-spring-Earth system than is gained. because C) 2023 John Frensley. Visit www.phine-physics.com for tutoring for students and professional development for teachers. 3 -10 -10- -10 5. A spring hangs with its natural length of 1.5 m from a ceiling. A student hangs a 6 kg block on the spring, and then gently lowers the block until the block is at rest at equilibrium. Once at equilibrium, the spring's length is 3.5 m. For each part that requires calculation, explain why equations are chosen and where plug-ins come from. (a) Calculate the spring constant of the spring. (c) Calculate the decrease in the block-Earth system's potential energy. F/d F= (10) (6)=60N 6000 3.5-1.5 = 2 =30N/m (b) Calculate the increase in the spring's potential (d) Your answers to (c) should be greater than energy. your answer to (b). Explain why more energy is lost from the block-spring-Earth system than is gained. because C) 2023 John Frensley. Visit www.phine-physics.com for tutoring for students and professional development for teachers. 3