An object oscillates with an angular frequency ω = 9 rad/s. At t = 0, the object is at x0 = 7.5 cm. It is moving with ve

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answerhappygod
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An object oscillates with an angular frequency ω = 9 rad/s. At t = 0, the object is at x0 = 7.5 cm. It is moving with ve

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An object oscillates with an angularfrequency ω = 9 rad/s.At t = 0, the object isat x0 = 7.5 cm. It ismoving withvelocity vx0 = 2 cm/s inthe positive x-direction. The position of the object can bedescribed through the equation x(t)= A cos(ωt + φ).
A) What is the the phase constant φ ofthe oscillation in radians? (Caution: If youare using the trig functions in the palette below, be careful toadjust the settingbetween degrees and radians asneeded.)
B) Write an equation for theamplitude A of the oscillation in termsof x0 and φ. Use thephase shift as a system parameter.
C) Calculate the value of theamplitude A of the oscillation in cm.
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