A 028-Kg Block on a Horizontal Frictionless Surface Is Attached to to an Ideal

question 30

Multiple Choice

A 0.28-kg block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is The block is pulled from its equilibrium position at x = 0.00 m to a displacement x = +0.080 m and is released from rest.The block then executes simple harmonic motion along the horizontal x-axis.When the displacement is x = -0.052 m,find the acceleration of the block.

• A)92
• B)46
• C)69
• D)230
• E)280

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