A mass of 0.40 kg,hanging from a spring with a spring constant of 82 N/m,is set into an up-and-down simple harmonic motion.What is the speed of the mass when moving through a point at 0.05 m displacement? The starting displacement of the mass is 0.10 m from its equilibrium position.
A)zero
B)0.36 m/s
C)0.11 m/s
D)1.6 m/s
E)0.72 m/s

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The Answer of A mass of 0.40 kg,hanging from a spring with a spring constant of 82 N/m,is set into an up-and-down simple harmonic motion.What is the speed of the mass when moving through a point at 0.05 m displacement? The starting displacement of the mass is 0.10 m from its equilibrium position.
A)zero
B)0.36 m/s
C)0.11 m/s
D)1.6 m/s
E)0.72 m/s

A Mass of 0