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A block whose mass m is 680 g is fastened to a spring whose spring constant k is 65 N/m. The block is pulled
a distance x = 11 cm from its equilibrium position at x =0 on a frictionless surface and released from rest at t
=0. What is the angular frequency?
9.78 rad/s
10 rad/s
97.8 rad/s
1 rad/s

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