A)Hz B)Hz (c) the period A)s B)s (d) Write the equations for xA and xB in the fo

Question

A)Hz

B)Hz

(c) the period

A)s

B)s
(d) Write the equations for xA and xB in the form of a sine or cosine. Use the following as necessary: t, where x is in meters and t is in seconds.
xA =
xB =

The figure below shows two examples of SHM, labeled A and B. (The vertical axis is marked in increments of 10 m and the horizontal axis is marked in increments of 30 s.) What are the following quantities for each SHM? (a) the amplitude A m B m (b) the frequency A)Hz B)Hz (c) the period A)s B)s (d) Write the equations for xA and xB in the form of a sine or cosine. Use the following as necessary: t, where x is in meters and t is in seconds. xA = xB =

Explanation / Answer

a) A : 2.5 m, B = 3.5 m

b) f = 1/T

A: 1/4 = 0.25 Hz

B = 1/2 = 0.5 Hz

c) A : 4s ; B : 2s

d) X : 2.5 sin(2fT)

Xa= 2.5 sin (T/2)

Xb= 3.5 cos (T)

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