Physics Honors
Chapter 12 Worksheet
When a 50gram mass is attached to a certain spring, is oscillates with an amplitude of 5 cm and frequency
of 4.0 Hz.
A watch is started at
t
= 0 at the instant the mass is at a point of maximum amplitude to the
right of the equilibrium point.
Later, this mass is removed from the spring and replaced with a 133gram
mass.
1)
What is the spring constant of the spring?
31.6 N/m
2)
What is the maximum speed of the 50gram mass?
1.25 m/s
3)
What is the total energy of the system?
3.93 x 10
2
J
4)
What is the speed of the mass when it is 2 cm from the equilibrium position?
1.15 m/s
5)
What is the acceleration of the mass when it is 2 cm from the equilibrium position?
12.6 m/s
2
6)
What is the location of the mass at
t
= 1.27 s?
4.36 cm [R]
7)
What is the speed of the mass at
t
= 1.27 s?
0.60 m/s [L]
8)
What is the acceleration of the mass at
t
= 1.27 s?
27.6 m/s
2
[L]
9)
What is the period of the oscillation of the 133gram mass?
0.408 s
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 Spring '10
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