How is the vibration changed if the spring constant is larger or the mass smaller?
a. The period increases.
b. The period decreases.
c. The amplitude becomes smaller.
d. The period does not change.
e. The frequency does not change.
b
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A woman drives 75 m to the east. She stops, asks directions, and then drives 75 m to north. What is the direction of the displacement with respect to east?
a. 30 b. 53 c. 0 d. 45
According to our theory of solar system formation, why do we find some exceptions to the general rules and patterns of the planets?
A) Our theory is not quite correct because it cannot explain these exceptions. B) Most of the exceptions are the result of giant impacts or close gravitational encounters. C) The exceptions probably represent objects that formed recently, rather than early in the history of the solar system. D) The exceptions probably represent objects that were captured by our solar system from interstellar space. E) The exceptions are probably the result of the Sun passing very close to another star billions of years ago.
Cassini is the name of:
A) the French astronomer who first discovered a gap in Saturn's rings. B) a gap in the rings created by a resonance with Mimas. C) NASA's orbiter now taking photos of Saturn. D) All of the above. E) None of the above.
Which terrestrial planet has the most moons?
A. Earth B. Mars C. Mercury D. Venus