An icy leftover planetesimal orbiting the Sun is
A) a comet.
B) a meteor.
C) an asteroid.
D) a meteorite.
E) possibly any of the above
A
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Adiabatic Processes: A certain ideal gas has a value of the adiabatic constant ? = 4/3. What is the molar specific heat at constant pressure of this gas in terms of R?
A. 5R/2 B. 2R C. 3R D. 7R/2 E. 4R
The graph shows 
versus t for an object moving in a straight line. What is the average velocity from t = 0 s to t = 9 s?
A. 44 
B. 32
C. 22
D. 24
A truck is using a hook to tow a car whose mass is one quarter that of the truck. If the force exerted by the truck on the car is 6000 N, then the force exerted by the car on the truck is
A) 12000 N. B) 24000 N. C) 1500 N. D) 6000 N. E) We need to know if the car is accelerating to answer this question.
The fast, downslope movement of large blocks of weathered materials is known as a
a. solifluction. b. slump. c. rock flow. d. landslide.