A 0.40-kg object,attached to a spring with spring constant k = 10 N/m,is moving on a horizontal,frictionless surface in simple harmonic motion of amplitude of 0.080 m.What is its speed at the instant when its displacement is 0.040 m? (Hint: Use conservation of energy. )
A) 17 m/s
B) 35 cm/s
C) 3.5 cm/s
D) 6.9 cm/s

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The Answer of A 0.40-kg object,attached to a spring with spring constant k = 10 N/m,is moving on a horizontal,frictionless surface in simple harmonic motion of amplitude of 0.080 m.What is its speed at the instant when its displacement is 0.040 m? (Hint: Use conservation of energy. )
A) 17 m/s
B) 35 cm/s
C) 3.5 cm/s
D) 6.9 cm/s

A 040-Kg Object,attached to a Spring with Spring Constant K =