The proton is a member of the ________ family of particles.
Fill in the blank(s) with the appropriate word(s).
baryon
hadron
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Einstein's theory of relativity tells us that travelers who make a high-speed trip to a distant star and back will ________
A) never be able to make the trip within their lifetimes B) age less than people who stay behind on Earth C) age more than people who stay behind on Earth D) have more fun than people who stay behind on Earth
Light is incident normally from air onto a liquid film that is on a glass plate. The liquid film is 164 nm thick, and the liquid has index of refraction 1.60
The glass has index of refraction n = 1.50. Calculate the longest visible wavelength (as measured in air) of the light for which there will be totally destructive interference between the rays reflected from the top and bottom surfaces of the film. (Assume that the visible spectrum lies between 400 and 700 nm.)
How much energy is released by a nuclear reactor if the total mass of the fuel decreases by 1.0 g?
A. 
B. 
C. 
D. 
The ______________cell is a small group of atoms that contains all of the necessary information about the crystal that when repeated in space produces the crystal.
Fill in the blank(s) with the appropriate word(s).