To recharge a 12-V battery, a battery charger must move 3.6 × 105 C of charge from the negative to the positive terminal. What amount of work is done by the battery charger? How many kilowatt hours is this?
What will be an ideal response?
4.3 MJ, 1.2 kWh
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Which statement about motion in the universe is not true?
A) The mysterious dark matter is the fastest-moving material in the universe. B) Some stars in the Milky Way Galaxy are moving toward us and others are moving away from us. C) Except for a few nearby galaxies, all other galaxies are moving away from us. D) Your speed of rotation around Earth's axis is faster if you live near the equator than if you live near the North Pole.
Reverse faults are the result of
A) tension. B) compression. C) divergence. D) heat.
The gaps created by the planet Jupiter in the Asteroid belt are called ________.
A. Asteroid gaps B. Kepler gaps C. Jupiter gaps D. Kirkwood gaps
Tycho Brahe's extremely accurate measurements of the planetary positions showed that
A) Kepler's theory was wrong. B) both Ptolemy's theory and Copernicus's theory were correct. C) both Ptolemy's theory and Copernicus's theory were wrong. D) Copernicus's theory was wrong and Ptolemy's was correct. E) Ptolemy's theory was wrong and Copernicus's theory was correct.