SHM:Amplitude
Displayed below is a positiontime graph of a piston moving in and out.
Figure 1 Positiontime graph of a moving piston 
From this graph, find the following:
1. amplitude (A):
A. 20 cm
B. 1.0 cm
C. 5.0 cm
D. 10 cm
2. period (T):
A. 0.20 s
B. 1.0 s
C. 5.0 s
D. 10 s 
3. frequency (f):
A. 0.20 Hz
B. 1.0 Hz
C. 5.0 Hz
D. 10 Hz
4. angular frequency (w):
A. 0.20p rad
s^{1}
B. 1.0p rad
s^{1}
C. 5.0p rad
s^{1}
D. 10p rad
s^{1}
