According to the solar nebula theory, Earth and the other planets of the Solar System formed billions of years ago as the Sun _______________ from a cloud of interstellar gas and dust
Fill in the blank(s) with correct word
condensed
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A star with a large parallax:
A) is at a great distance from Earth. B) is moving at a great speed with respect to Earth. C) is at a short distance from Earth. D) is moving at a slow speed with respect to Earth. E) is not moving with respect to Earth.
Huyghens claimed that near the surface of the Earth the velocity downwards of an object released from rest, vy, was directly proportional to the square root of the distance it had fallen, 
. This is true if c is equal to
A.
.B.
.C.
D.
.E.
A vertical wire carries a current straight up in a region where the magnetic field vector points due North. What is the direction of the resulting force on this current?
A) North B) downward C) East D) West E) South
A 120-V rms voltage is applied across a 6.0-?F capacitor. If the frequency of the generator is 60 Hz, what is the rms value of the current in the circuit?
A) 0.17 A B) 0.37 A C) 0.27 A D) 0.47 A E) 0.071 A