An object attached to an ideal spring executes simple harmonic motion. If you want to double the total energy of the object-spring system, you could
A) double the amplitude of vibration.
B) double the spring constant of the spring.
C) double both the amplitude and spring constant.
D) double the mass of the object.
E) double both the mass of the object and amplitude of vibration.
B
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The celestial equator always passes directly overhead
a. True b. False Indicate whether the statement is true or false
In everyday language, power and force are similar, but in physics
A. force has only magnitude. B. power has only direction. C. force has magnitude and direction. D. power has magnitude and direction. E. None of these answers are correct.
A mass attached to a spring vibrates back and forth. At the equilibrium position, the
A) velocity reaches zero. B) acceleration reaches a maximum. C) net force reaches a maximum. D) velocity reaches a maximum.
A real object is place to the left of a converging lens and an image forms. Then, to the right of the converging lens a diverging lens is placed. A real, inverted final image forms to the right of the diverging lens. Which of the following could give this result?
a. An upright virtual image caused by the first lens forms between the two lenses. b. An inverted real image caused by the first lens forms between the two lenses. c. A real, upright image was formed by the first lens to the right of where the diverging lens is to be placed. d. A real, inverted image was formed by the first lens to the right of where the diverging lens is to be placed.