Which of the following volcanoes is in the United States?
a. Paracutin
b. Surtsey
c. Mount Pelée
d. Mount Saint Helens
d
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A spaceship carrying a light clock moves at a speed of 0.960c relative to an observer on Earth. Relative to a frame of reference that is fixed with respect to Earth, how long does it take the clock on the ship to advance 1.00 s?
A) 0.960 s B) 1.22 s C) 2.59 s D) 3.57 s E) 5.83 s
When we say work is done by a force, we mean the force does
a. all the work. b. positive work. c. negative work. d. zero work.
The typical density and temperature of molecular clouds are
A) 100 molecules per cubic centimeter, 10-30 Kelvin. B) 300 molecules per cubic centimeter, 10-30 Kelvin. C) 1000 molecules per cubic centimeter, 10-30 Kelvin. D) 100 molecules per cubic centimeter, 100-300 Kelvin. E) 300 molecules per cubic centimeter, 100-300 Kelvin.
A rubbed balloon will stick to a wooden wall, which demonstrates charge
a. transfer. b. potential. c. conservation. d. polarization.