A 0.50-kg box is attached to an ideal spring of spring constant 20 N/m on a horizontal, frictionless floor
The box oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position.
(a) What is the amplitude of vibration?
(b) At what distance from the equilibrium position are the kinetic energy and the potential energy the same?
(a) 0.24 m (b) 0.17 m
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Where is most of the water that Mars has today?
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