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Date: _____________
1. The force constant of a massless spring is 25.0 N/m.
A mass of 0.45 kg is oscillating in
simple harmonic motion at the end of the spring with an amplitude of 0.32 m.
The
maximum speed of the mass is
A) 5.7 m/s
B) 56 m/s
C) 7.4 m/s
D) 2.4 m/s
E) 10 m/s
2. A spring vibrates in simple harmonic motion according to the equation
x
= 0.15 cos
π
t
where the units are SI.
The period of the motion is
A) 0.67 s
B) 1.0 s
C) 2.0 s
D)
s
E) 3.2 s
3. A clock keeps accurate time when the length of its simple pendulum is
L
.
If the length
of the pendulum is increased a small amount, which of the following is true?
A) The clock will run slow.
B) The clock will run fast.
C) The clock will continue to keep accurate time.
D) The answer cannot be determined without knowing the final length of the pendulum.
E) The answer cannot be determined without knowing the percentage increase in the length
of the pendulum.
4. You have landed your spaceship on the moon and want to determine the acceleration
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This note was uploaded on 08/27/2009 for the course PHYS 2 taught by Professor Pham during the Spring '07 term at CSU Northridge.
 Spring '07
 pham
 Force, Mass, Simple Harmonic Motion

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