A 220-kg object attached to a spring moves without friction, Ask an Expert

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A 2.20-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 4.50sin(2*pi*t), where F is in newtons and t is in seconds. The force constant of the spring is 27.0 N/m.

(a) Find the resonance angular frequency of the system.

-----s-1

(b) Find the angular frequency of the driven system.

-----s-1

---- cm

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