The type of EM radiation that has wavelength just a bit longer than that of visible light is
a. ultraviolet
b. infrared
c. x ray
d. microwave
e. gamma ray
B
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An example of conservation of angular momentum is
A. A car going around a corner B. An ice skater changing the speed of a spin C. Jumping off a diving board D. A golf club hitting a golf ball
The ____________________ of the galaxy contains population I stars, open clusters, and gas clouds
Fill in the blank(s) with correct word
A thin sheet of plastic (n = 1.60) is inserted between two panes of glass to reduce infrared (? = 700 nm) losses. What thickness (in nm) is necessary to produce constructive interference in the reflected infrared radiation?
A. 218 B. 109 C. 55 D. 318 E. 443
Three objects are located in the x-y plane as follows: a 6 kg-object is at (0 m, 0 m), a mass of 4 kg is at (3 m, 0 m), and a 2 kg-object is at (0 m, 3 m). Where is the center of mass of the system?
A) (1 m, 2 m) B) (2 m, 1 m) C) (1 m, 1 m) D) (1 m, 0.5 m) E) (0.5 m, 1 m)