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a 3 kg mass is attached to a horizontal spring (k=120.0 N/m) and slides on a...

a 3 kg mass is attached to a horizontal spring (k=120.0 N/m) and slides on a frictionless surface. the spring is compressed by 1.25 m, held stationary and released at t=0s. what is the angular frequency of the oscillating mass?

what is the position of the mass at 0.35s?


what is the velocity of the mass at 0.35s?

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