How long does it take our solar system to complete one orbit around the Milky Way Galaxy?
A) 100 million years
B) 1 million years
C) 230 thousand years
D) 10 thousand years
E) 230 million years
E
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An object moving away from the observer will exhibit a(n) _______________ shift due to the Doppler effect
Fill in the blank(s) with correct word
Being the ideal engine, the maximum COP of a Carnot cycle operated in reverse as a refrigerator is
A) (Th/Tc)(1 – Tc/Th)-1. B) 100. C) (1 – Tc/Th)-1. D) (Tc/Th) ? (1 – Tc/Th)-1.
A series circuit consists of a 100-? resistor, a 10.0-?F capacitor, and a 0.350-H inductor. The circuit is connected to a 120-V rms, 60-Hz power supply. What is the rms current in the circuit?
A) 0.42 A B) 0.52 A C) 0.62 A D) 0.72 A
The law of conservation of momentum applies to a collision between two bodies since
a. they exert equal and opposite forces on each other. b. they exert forces on each other respectively proportional to their masses. c. they exert forces on each other respectively proportional to their velocities. d. they exert forces on each other respectively inversely proportional to their masses. e. their accelerations are proportional to their masses.