2) An object’s motion described by ____________ obeys Hooke’s law. Group of answer choices x= 2cos (p/t - p) x= 2 cos2 (

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2) An object’s motion described by ____________ obeys Hooke’slaw.
Group of answer choices
x= 2cos (p/t - p)
x= 2 cos2 (pt - p)
x= 2t2cos (pt2 + p2)
x= 2t cos (pt - p)
none of the above
3)
Which one of the following quantities is at a maximum when anobject in simple harmonic motion is at its maximumdisplacement?
Group of answer choices
speed
kinetic energy
frequency
period
potential energy
5)
An object’s motion described by ____________ obeys Hooke’slaw.
Group of answer choices
x= 5 sin (πt - π)
x= 2 cos2 (πt - π)
x= 2t2sin (πt2 + π2)
x= 2t sin (πt - π)
none of the above