A molecule makes a transition from the J = 1 to the J = 0 rotational energy state. The wavelength of the emitted photon is 2.6 × 10^?3 m. What is the moment of inertia of the molecule (in kg ? m2)?
a. 2.9 × 10^?46
b. 5.7 × 10^?45
c. 1.1 × 10^?44
d. 1.5 × 10^?46
e. 9.1 × 10^?46
d
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Where are volcanoes most common?
a. subduction zones b. transform boundaries c. folded mountain ranges d. continental basins and ranges e. plates pushing against one another
Which of the following is not true about differences between novae and supernovae?
A) Supernovae eject gas into space, but novae do not. B) Novae are much less luminous than supernovae. C) Novae occur only in binary star systems, while supernovae can occur both among single stars and among binary star systems. D) The same star can undergo novae explosions more than once, but can undergo only a single supernova.
A natural gas pipeline with a diameter 0.250 m delivers 1.55 cubic meters of gas per second. What is the flow speed of the gas in the pipeline?
What will be an ideal response?
Planet W-70 has a radius of 2.48 × 107 m and an escape velocity of 23,300 m/s. What is the mass of W-70? (G = 6.67 × 10-11 N ? m2/kg2 )
A) 1.01 × 1026 kg B) 2.02 × 1026 kg C) 3.03 × 1026 kg D) 4.04 × 1026 kg E) 5.05 × 1026 kg