A coil lies flat on a tabletop in a
A) counter-clockwise
B) counter-clockwise then clockwise
C) clockwise
D) clockwise then counter-clockwise
E) There is no current induced in the coil.
E) The polarities of the magnet cannot be determined from the information given.
A
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Assume that the average rate of 1-km-sized asteroids hitting the Earth is about 1 every million years. The chance of the Earth being hit by a 1-km-sized asteroid in the next 100 years is about
A) one in 100 million. B) one in ten thousand. C) inevitable, it has to happen sometime. D) zero. E) one in a million.
3.0 moles of an ideal gas with a molar heat capacity at constant volume of 4.9 cal/(mol?K) and a molar heat capacity at constant pressure of 6.9 cal/(mol?K)
starts at 300 K and is heated at constant pressure to 320 K, then cooled at constant volume to its original temperature. How much heat flows into the gas during this two-step process? A) 710 cal B) -720 cal C) 0.00 cal D) 120 cal E) -120 cal
What type of particle is an electron? (There may be more than one correct choice.)
A) baryon B) hadron C) nucleon D) lepton E) meson
A jumbo jet has a mass of 100,000 kg. The thrust for each of its four engines is 50,000 N. What is the jet's acceleration when taking off?
A) 0.25 m/s2 B) 1 m/s2 C) 2 m/s2 D) 4 m/s2 E) none of the above