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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Monday, March 28, 2011 at 8:03pm.

(a) Find the angular frequency.

(b) Find the frequency.

(c) Find the period.

2. A 2.10 kg mass attached to a spring oscillates with a period of 0.395 s and an amplitude of 20.5 cm.

(a) Find the total mechanical energy of the system

(b) Find the maximum speed of the mass.

3. The motion of a body is described by the equation

1.90 sin (0.180πt)

where t is in s and y is in m.

(a) Find the amplitude.

(b) Find the period.

(c) Find the frequency.

(d) Find the displacement at t = 5.00 s.

(e) Find the displacement at t = 26.0 s.

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