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Physics, 23.10.2020 21:30 Bssnk

A 3 kg mass is held against spring compressed horizontally by 0.5 m. If the spring constant is 145 N/m how much energy is stored in the spring? What is the velocity of the mass when pushed by the spring? How far will the mass slide on the surface if the coefficient of kinetic friction on the surface is 0.25?

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