A 030-Kg Block Rests on a Frictionless Level Surface and Is

question 29

Multiple Choice

A 0.30-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 52.0 N/m.The block is initially displaced 3.20 cm from the equilibrium point and then released to set up a simple harmonic motion.What is the speed of the block when it passes through the equilibrium point?

• A)2.36 m/s
• B)0.596 m/s
• C)1.67 m/s
• D)0.421 m/s
• E)2.28 m/s

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