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Question: A 0.50-kg mass is attached to a spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position.
1. At what location are the kinetic energy and the potential energy the same?
I need expert help to solve the above question.
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question a golf ball strikes a hard smooth floor at an angle of ? 32.4deg and rebounds at the same angle. the mass of
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