Practice_Test_5 - 1 Practice Test 5 1. A mass hung from the...

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1 Practice Test 5 1. A mass hung from the end of a spring is executing simple harmonic motion. Where is the potential energy of the oscillating mass a maximum? a. At the equilibrium position b. At the two extreme positions c. Midway between the equilibrium position and the upper extreme d. Midway between the equilibrium position and the lower extreme 2. Where is the kinetic energy of the oscillating mass in question 1 a maximum? a. At the equilibrium position b. At the two extreme positions c. Midway between the equilibrium position and the upper extreme d. Midway between the equilibrium position and the lower extreme 3. The total energy of the oscillating object in question 1 is a. maximum at the extreme positions b. minimum at the extreme positions c. maximum at the equilibrium position d. the same at all points 4. The acceleration of the oscillating mass in question 1 is a. a constant at all points b. a maximum at the equilibrium position c. a maximum at the extreme positions d. zero at all points 5. The restoring force on the oscillating mass is a. always in a direction opposite to the displacement b. always in the direction of displacement c. always zero d. always a constant 6. The restoring force on the oscillating mass is a. directly proportional to the mass b. inversely proportional to the mass c. directly proportional to the displacement d. inversely proportional to the displacement
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2 7. A 50 g mass is suspended from the free end of a spring of spring constant 40 N/m produces a displacement of 8.2 cm. What is the work done on the spring? a. 0.13 J b. 0.98 J c. 0.59 J d. 0.37 J 8. What is the potential energy of the spring in question 7? a. 0.13 J b. 0.98 J c. 0.59 J d. 0.37 J 9. In question 7, if the mass is pulled down by a distance of 5 cm and released, what will be its kinetic energy when it returns to the equilibrium position? a. 0.05 J b. 1.2 J c. 2.3 J d. 4.3 J 10. What is the maximum velocity attained by the mass in question 9? a. 1.41 m/s b. 2 m/s c. 2.3 m/s d. 4.3 m/s 11. What will be the kinetic energy of the mass in question 9 when it is at the upper extreme? a. 4.3 J b. 1.2 J c. 0 J d. 0.05 J 12. What is the period of a 1.0-m long pendulum where g = 9.8 m/s 2 ? a.
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This note was uploaded on 05/01/2011 for the course PHY 2048 taught by Professor George during the Fall '10 term at Edison State College.

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Practice_Test_5 - 1 Practice Test 5 1. A mass hung from the...

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