1. Acceleration is the measure of the change in what?
a. density
b. motion
c. velocity
d. mass
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, e. speed ANS >>> c. velocity
2. One half second after starting from rest, a freely falling object will have a
speed of about
a. 20 m/s
b. 10 m/s
c. 5 m/s
d. 2.5 m/s
e. None of the above ANS >>> c. 5 m/s
3. The slope of a velocity vs. time graph tells you
a. position
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, b. maximum velocity
c. average velocity
d. acceleration
e. maximum position ANS >>> d. acceleration
4. Which of the following is a private research lab?
a. Argonne National Lab
b. Keck Telescope
c. Carnegie Institution
d. United States Geological Survey ANS >>> c. Carnegie Institution
5. Which of the following is Kepler's first law?
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