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.
A
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Obtaining a prescription for penicillin for your roommate because she doesn’t have a primary care physician is an example of ____.
(A) drug diversion (B) drug abuse (C) drug dependence (D) antabuse (E) drug misuse
What are the signs of Q, W, and ?U for the process ?
A. 0, -, - B. 0, +, + C. +, -, 0 D. +, +, 0 E. -, +, 0 F. Other (specify)
The natural tendency of an object to remain at rest or in motion with a constant velocity is called
a. an external force. b. an unbalanced force. c. inertia. d. none of these.
A rectangular coil having N turns and measuring 15 cm by 25 cm is rotating in a uniform 1.6-T magnetic field with a frequency of 75 Hz. The rotation axis is perpendicular to the direction of the field
If the coil develops a sinusoidal emf of maximum value 56.9 V, what is the value of N? A) 2 B) 4 C) 8 D) 10 E) 6