On which planet does plate tectonics take place?
A. Venus
B. Mars
C. Mercury
D. Earth
Answer: D
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Determine the energy stored in the 60-?F capacitor.
A. 2.4 mJ B. 3.0 mJ C. 3.6 mJ D. 4.3 mJ E. 6.0 mJ
A beam of X-rays of different frequencies is reflected at 10 degrees off a crystal of interatomic spacing 0.2 nm. Which X-ray wavelength is preferentially reflected?
A. 0.0943 nm B. 0.139 nm C. 0.0695 nm D. 1.02 × 10?10 m E. 3.47 × 10?11 m
An aquarium contains a 5-cm layer of water (n = 1.33) floating on top of carbon tetrachloride (n = 1.461). If the angle of incidence into the water from the air is 30°, what is the angle of refraction into the carbon tetrachloride?
A. 58° B. 69° C. 37° D. 20° E. 75°
An automobile gas tank is filled to its capacity of 20.00 gallons with the gasoline at an initial temperature of 10°C. The automobile is parked in the Sun causing the gasoline's temperature to rise to 60°C. If the coefficient of volume expansion for gasoline is 9.6 × 10^-4/°C, what volume runs out the overflow tube? Assume the change in volume of the tank is negligible
a. 1.74 gallons c. 0.72 gallon b. 0.96 gallon d. 0.30 gallon