Suppose a jet is cruising at a constant velocity due east. At the instant the jet is above your head, what is the direction of the jet’s angular momentum around you? Choose from the possible directions presented in problem C7T.3, remembering that this is a top view, with A corresponding to north, C to east, and so on. 
A. A
B. B
C. C
D. D
E. Upward
F. Downward
T. (The vector is zero)
A. A
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An automobile gas tank is filled to its capacity of 22.0 gallons with the gasoline at an initial temperature of 15.6°C. The automobile is parked in the Sun causing the gasoline's temperature to rise to 73.6°C. If the coefficient of volume expansion for gasoline is 9.60 × 10^?4/C°, what volume runs out the overflow tube? Assume the change in volume of the tank is negligible
a. 0.329 gallons b. 1.55 gallons c. 1.22 gallons d. 1.53 gallons e. 0.919 gallons
A rough surface for infrared waves may be polished for
A) radio waves. B) light waves. C) both of these D) neither
The isotope most useful for dating rocks from the late Pleistocene is
A) uranium-238. B) uranium-235. C) potassium-40. D) carbon-14.
There was a very rapid expansion period called inflation early in the history of the universe. When was this?
A: 10^43 to 10^42 seconds B: 10^35 to 10^33 seconds C: 10^12 to 10^11 seconds D: 1^3 seconds E: 100^200 seconds