Which of the following statements is most true?
b. the total cross section is related to probability.
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Phase Angles: A 10-? resistor is in series with a 100-?F capacitor at 120 Hz. What is the phase angle?
A. -82° B. -53° C. -37° D. -4.7° E. +37°
In a circuit powered by a battery, charge
A) flows through the battery. B) is energized by the battery. C) both of these D) neither of these
The total electromagnetic power emitted by the sun is 3.8 × 1026 W
What is the radiation pressure on a totally absorbing satellite at the orbit of Mercury, which has an orbital radius of 5.8 × 1010 m? (c = 3.00 × 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2) A) 0.030 µPa B) 3.0 µPa C) 0.30 µPa D) 300 µPa E) 30 µPa
A pool is filled to a depth of 2.0 m. How deep does the pool appear to be from above the water?
A) 1.5 m B) 1.33 m C) -2.0 m D) 3.0 m E) -1.5 m