Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 1. | Objects accelerated to relativistic speeds appear to a. | grow
bigger. | b. | gain momentum. | c. | live a shorter
time. | d. | all of the above | e. | none of the
above | | |
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| 2. | When
an object is pushed to relativistic speeds, its momentum is measured to be a. | smaller than
mv. | b. | greater than mv. | c. | the same as
mv. | | |
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| 3. | If
you were to travel at speeds close to the speed of light, you would notice that your
a. | shape
changes. | b. | mass increases. | c. | pulse
decreases. | d. | all of the above | e. | none of the
above | | |
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| 4. | If
Einstein's equations of special relativity are valid, they must a. | reduce to
Newton's equations when the speed is small. | b. | give correct
answers for speeds much less than the speed of light. | c. | agree with the
correct results of Newton's equations. | d. | both A and C | e. | A, B, and
C | | |
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Essay
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| | 5. | How
much rest energy is contained in a 0.01-kg quarter?
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Problem
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| | 6. | A
woman 1.70 m tall lies along the axis of a space vehicle traveling at 0.95c. What is her
height as measured by a stationary observer?
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