Many of Saturn's outer smaller moons, like Phoebe, orbit ________ compared to the planet's rotation
Fill in the blank(s) with correct word
retrograde
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Why was the Davis experiment only able to detect one-third of the neutrinos originally predicted? a. The number of neutrinos was too great to be held in the tank that Davis designed
b. The neutrinos combined with other particles as they entered Earth's atmosphere. c. The neutrinos distributed evenly among three different flavors while traveling to Earth. d. Most of the neutrinos were absorbed by Earth's atmosphere. e. The other two-thirds of neutrinos dissipated while traveling to Earth.
What is the mean free path for the molecules in an ideal gas when the pressure is 100 kPa and the temperature is 300 K given that the collision cross-section for the molecules of that gas is 2.0 × 10-20 m2?
The Boltzmann constant is 1.38 × 10-23 J/K, Avogadro's number is 6.02 × 1023 molecules/mole, and the ideal gas constant is R = 8.314 J/mol ? K = 0.0821 L ? atm/mol ? K. A) 1.1 × 10-6 m B) 2.1 × 10-6 m C) 1.7 × 10-6 m D) 5.3 × 10-6 m E) 1.5 × 10-6 m
Spectral lines are often referred to as the stars' "fingerprints" because:
A) fingerprints also consist of individual lines that make a pattern. B) both are unique to their source. C) both can be easily categorized. D) both are characteristic of the individual that produced them. E) All of these are correct.
A ray emerges from water (n = 1.33) into air. The light ray will
A. bend toward the normal on the air side. B. emerge in air at the same angle as in the water. C. bend away from the normal on the air side.