A car by itself is capable of a certain maximum acceleration. When it tows a car of the same mass, its maximum acceleration is
A) half.
B) one-third.
C) one-fourth.
D) the same.
E) none of these
Answer: A
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The heliosphere is defined as the volume of space over which the ______________ extends
a. solar wind b. solar constant c. magnetic field d. gravitational field
A series circuit consists of three identical lamps connected to a battery as shown in Figure OQ28.15. The switch S, originally open, is closed. What then happens to the brightness of lamp B?
If the frequency of the AC voltage across an inductor is doubled, the inductive reactance of that inductor
A) decreases to one-half its original value. B) increases to twice its original value. C) decreases to one-fourth its original value. D) increases to 4 times its original value.
A rock is moving with speed v. If the mass of the rock were tripled and the speed were reduced to v/3, which of the following statements would be true?
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