The moment of inertia of a CO molecule is 1.46 × 10^?46 kg ? m2 . What is the wavelength of the photon emitted if a rotational transition occurs from the J = 3 to the J = 2 state?
a. 4.36 × 10^?4 m
b. 8.71 × 10^?4 m
c. 17.4 × 10^?3 m
d. 5.53 × 10^?4 m
e. 2.90 × 10^?4 m
b
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An iron block of density ?Fe and of volume l3 is immersed in a fluid of density ?fluid. The block hangs from a scale which reads w as the weight. The top of the block is a height h below the surface of the fluid. The correct equation for the reading of the scale is
A. w = (?Fe??fluid)ghl2. B. w = (?fluid??Fe)gl3. C. w = (?Fe??fluid)gl3. D. w = (?Fe + ?fluid)ghl2. E. w = (?Fe + ?fluid)gl3.
The speed of sound at 0°C is 331 m/s. What is the speed of sound at 32°C? (0°C = 273 K)
a. 346 m/s c. 343 m/s b. 356 m/s d. 350 m/s
A 3.00 g lead bullet is traveling at a speed of 300 m/s when it embeds in a wood post. If we assume that half of the resultant heat energy generated remains with the bullet, what is the increase in temperature of the embedded bullet? (specific heat of lead = 0.0305 kcal/kg• °C, 1 kcal = 4186 J)
a. 113°C c. 176°C b. 137°C d. 259°C
In the context of a redshift and a blueshift, "red" and "blue" refer to the actual color of the light
Indicate whether the statement is true or false