Simple Pendulum: If both the mass of a simple pendulum and its length are doubled, the period will
A. be unchanged.
B. increase by a factor of 2.
C. increase by a factor of 4.
D. increase by a factor of 
.
E. increase by a factor of 1/
.
Answer: D
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An ideal parallel-plate capacitor consists of a set of two parallel plates of area A separated by a very small distance d
When this capacitor is connected to a battery that maintains a constant potential difference between the plates, the energy stored in the capacitor is U0. If the separation between the plates is doubled, how much energy is stored in the capacitor? A) U0/2 B) 2U0 C) U0 D) U0/4 E) 4U0
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What will be an ideal response?
If an object moves with constant acceleration, its velocity must
A) be constant also. B) change by the same amount each second. C) change by varying amounts depending on its speed. D) always decrease.
What is interesting about Saturn's large moon Titan?
A) It is one of Saturn's two large moons. B) It has a 2:1 resonance with Mimas and a 4:1 resonance with the Cassini gap. C) It has its own moon. D) It orbits Saturn in a retrograde sense. E) It has an atmosphere.