What is the prediction for the future of Triton?
A) It will provide the raw material for a future Neptunian ring.
B) It will develop active volcanoes as Neptune's tidal stresses become greater.
C) It will crash into Nereid when the smaller moon comes too close.
D) Its orbit, while retrograde, is very stable and will not change.
E) Its retrograde orbit will throw it back out into the Kuiper Belt again, with Pluto.
A
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A runaway railroad car, with mass 30 × 10^4 kg, coasts across a level track at 2.0 m/s when it collides with a spring-loaded bumper at the end of the track. If the spring constant of the bumper is 4.0 × 10^6 N/m, what is the maximum compression of the spring during the collision? (Assume the collision is elastic.)
a. 0.77 m c. 0.34 m b. 0.55 m d. 1.07 m
Power: A series circuit consists of an ac voltage source of voltage amplitude V and frequency 60 Hz, a resistor of resistance 163 ?, and a capacitor of capacitance 6.2 × 106 F. What must the source voltage amplitude V be for the average electrical power consumed in the resistor to be 529 watts? (There is no inductance in the circuit.)
Fill in the blank(s) with the appropriate word(s).
Three objects of masses 1.0 kg, 2.0 kg, and 3.0 kg, are located at (0.0 m, 0.0 m), (1.0 m, 1.0 m), and (2.0 m, -2.0 m), respectively. What is the location of the center of mass of this system?
A) (1.3 m, 0.67 m) B) (1.3 m, -0.67 m) C) (-1.3 m, 0.67 m) D) (-1.3 m, -0.67 m)
Resonance can be viewed as forced vibration with the
A) least amount of energy input. B) maximum amount of energy input. C) matching of wave amplitudes. D) matching of constructive and destructive interference. E) minimum beat frequency.