Which of these radio waves would fall in the "water hole"?
A) 19 cm wavelength
B) 243 cm in wavelength
C) 15,000 cm in wavelength
D) 150 cm in wavelength
E) 6.563 × 10-5 cm in wavelength
A
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Molecular Rotation: A diatomic molecule has 2.6 × 10-5 eV of rotational energy in the L = 2 quantum state. What is its rotational energy in the L = 1 quantum state? (1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)
A. 3.4 × 10-6 eV B. 5.3 × 10-6 eV C. 7.8 × 10-6 eV D. 8.7 × 10-6 eV
Which of the following statements best describes the relationship between the energy EA required to increase a 1000-kg car’s speed from 0 to 23 m/s (about 50 mi/h) and the energy EB required to increase the temperature of 1 gal (? 3.8 kg) of lemonade from refrigerator temperature (about 5°C) to room temperature?
A. EA >> EB B. EA ? EB C. EA << EB
The slope of a tangent line at a given time value on a velocity versus time graph gives
A) displacement. B) instantaneous velocity. C) average velocity. D) instantaneous acceleration. E) average acceleration.
Olympus Mons is ________
A) a huge volcano on Venus B) a huge volcano on Mars C) a great canyon on Mars D) a large lava plain on the Moon