Physics equations/16-Oscillatory Motion and Waves/Q:amplitudes

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A

1. A 0.156 kg mass is on a spring that causes the frequency of oscillation to be 95 cycles per second. The maximum velocity is 50.6 m/s. What is the maximum force on the mass?

a) 2.2 x 103 N
b) 4.7 x 103 N
c) 1 x 104 N
d) 2.2 x 104 N
e) 4.7 x 104 N

2. A spring with spring constant 5.5 kN/m is attached to a 9.8 gram mass. The maximum acelleration is 3.4 m/s2. What is the maximum displacement?

a) 1.92 x 10-7 m
b) 6.06 x 10-7 m
c) 1.92 x 10-6 m
d) 6.06 x 10-6 m
e) 1.92 x 10-5 m

3. A spring of spring constant 9.1 kN/m causes a mass to move with a period of 6.5 ms. The maximum displacement is 8.1 mm. What is the maximum kinetic energy?

a) 9.44 x 10-3 J
b) 2.99 x 10-2 J
c) 9.44 x 10-2 J
d) 2.99 x 10-1 J
e) 9.44 x 10-1 J

4. A spring with spring constant 3.1 kN/m undergoes simple harmonic motion with a frequency of 2.9 kHz. The maximum force is 2.3 N. What is the total energy?

a) 2.7 x 10-4 J
b) 8.53 x 10-4 J
c) 2.7 x 10-3 J
d) 8.53 x 10-3 J
e) 2.7 x 10-2 J

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