The left-hand end of a long horizontal stretched cord oscillates transversely in

Question

The left-hand end of a long horizontal stretched cord oscillates transversely in SHM with frequency 300Hz and amplitude 2.3cm . The cord is under a tension of 160N and has a linear density 0.10kg/m . At t=0, the end of the cord has an upward displacement of 1.9cm and is falling. Consider the point x = 1.20m on the cord.(Figure 1)

A) Determine the maximum velocity of this point.
B) Determine its maximum acceleration.

Part C

What is its velocity at t = 2.2s ?

D) What is its acceleration at t = 2.2s ?

Please show work and give units

Explanation / Answer

the displacement equation shows that

vmax = A.?
amax = -A.?

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