When you look at a white light through a blue piece of glass, you observe blue light. This means that the blue glass
A. absorbs all of the blue light.
B. reflects all of the blue light.
C. transmits all colors except blue.
D. transmits only the blue light.
E. transmits only cyan and magenta.
Answer: D
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The force fo static friction between two surfaces is parallel to the surface of contact, and in in the direction that opposes relative motion
Indicate whether the statement is true or false
The ability of a telescope to separate two closely spaced stars is called ________
Fill in the blank(s) with correct word
Significant Figures: What is 56 + 
written with the correct number of significant figures?
A. 62.8 B. 62.812 C. 62.81 D. 63 E. 62.8123846
A person who weighs 550 N empties her lungs as much as possible and is then completely immersed in water (of density 1000 kg/m3 ) while suspended from a harness. Her apparent weight is now 21.2 N. What is her density?
A) 1040 kg/m3 B) 1030 kg/m3 C) 1050 kg/m3 D) 56.1 kg/m3 E) 960 kg/m3