A particle in simple harmonic motion is described by the displacement – McqOptions

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1.	A particle in simple harmonic motion is described by the displacement function x(t)=Acos ( t+ ). If the initial (t=0) position of the particle is 1cm and its initial velocity is cm/s, what is its amplitude? The angular frequency is the particle is rad/s.
A.	1 cm
B.	2 cm
C.	2 cm
D.	2.5 cm
Answer» C. 2 cm

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