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Amplitude, period of the motion

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The motion of an object is described by the equation x= (0.4)cos(pie*t/3)

Find the amplitude and period of the motion.

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In periodic motion such as this, the amplitude is the maximum displacement from equilibrium position. Here the maximum displacement is when the cosine ...

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See Also This Related BrainMass Solution

Simple harmonic motion: amplitude, period and acceleration.

A 0.500-kg mass on a spring has velocity as a function of time given by:
Vx(t)=(3.60 cm/s)*sin[(4.71s^(-1))*t-Pi/2]

A) What is the period of the mass in s?
B) What is the amplitude of the mass in cm?
C) What is the maximum acceleration of the mass in cm/s^2?

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