How many different kinds of mesons can you make using only up, antiup, down, and antidown quarks?
A: 32
B: 16
C: 8
D: 4
E: 2
Ans: D: 4
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Spectroscopic and eclipse duration observations of an eclipsing binary star can enable astronomers to calculate________ of its individual stars
a. the masses b. the sizes c. the masses and sizes d. neither masses nor sizes
The voltage across the input terminals of a transformer is 110 V. The primary coil has 50 loops and the secondary has 25 loops. The output is
A) 25 V. B) 55 V. C) 110 V. D) 220 V. E) none of the above
During an isochoric process, the internal (thermal) energy of a gas decreases by 50 J. How much heat is added to the gas during this process?
A) 50 J B) 25 J C) -50 J D) -25 J E) 0 J
__________ is transferred from a substance if it is exposed to something that has a lower temperature
Fill in the blank(s) with correct word