What is the probability of rolling either a 7 or 11 on a single roll of a pair of dice?
a. 1/6
b. 2/9
c. 3/8
d. 1/3
e. 1/2
b
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Once carbon is formed in massive star cores, the majority of nuclei formed form then on will belong to even numbered elements, due to addition to more helium nuclei as alpha particles
Indicate whether the statement is true or false
A proton is released such that it has an initial speed of 5.0 × 10^5 m/s from left to right across the page. A magnetic field of 1.2 T is present at an angle of 30° to the horizontal direction (or positive x axis). What is the magnitude of the force experienced by the proton? (qp = 1.6 × 10^-19 C)
a. 3.8 × 10^-14 N c. 4.8 × 10^-14 N b. 7.5 × 10^3 N d. 1.3 × 10^-19 N
Quasar ________ lines are an indication of intervening cooler gas
Fill in the blank(s) with correct word
If iron floats in liquid mercury, then the specific gravity of iron is
a. less than that of mercury. b. greater than that of mercury. c. about equal to that of mercury. d. in no way related to that of mercury.