________ is the color of the lowest frequency visible light
Fill in the blank(s) with correct word
Red
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Kepler's 3rd law says T2 /r3 = K. What does the constant K depend upon?
A) period B) frequency C) size D) mass E) temperature
Which of the following expressions is correct for the transmitted intensity of an unpolarized beam of light with an intensity Ii passing through a polarizer?
A) It = Ii B) It = (1/2 ) Ii C) It = (1/4 ) Ii D) It = 2 Ii E) It = 4 Ii
An irreversible engine operating between the temperatures of 550 K and 300 K extracts 1200 J of heat from the hot reservoir and produces 450 J of work. How much entropy is created in the process?
A) 0.32 J/K B) 0.68 J/K C) 0.44 J/K D) 0.73 J/K E) 0 J/K
The drive chain in a bicycle is applying a torque of 0.850 N ? m to the wheel of the bicycle. You can treat the wheel as a thin uniform hoop (or ring) with a mass of 0.750 kg and a radius of 33.0 cm. What is the angular acceleration of the wheel?
A) 10.4 rad/s2 B) 20.8 rad/s2 C) 5.20 rad/s2 D) 3.43 rad/s2 E) 1.06 rad/s2