Significant Figures: What is the difference between 103.5 and 102.24 expressed to the correct number of significant figures?
A. 1.3
B. 1.26
C. 1.260
D. 1.2600
Answer: A
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Derive the general energy equation for conduction heat transfer through a homogeneous, isotropic media in cylindrical coordinates, Equation 2-19.
A 400-? resistor and a capacitor are connected in parallel across a 300-Hz source. If the amplitude of the current in the resistor is equal to that in the capacitor, what is the value of the capacitance?
a. 1.33 ?F b. 0.750 ?F c. 10.6 ?F d. 0.212 F
Which of the following correctly describes the meridian in your local sky?
A) a half-circle extending from your horizon due east, through your zenith, to your horizon due west B) a half-circle extending from your horizon due east, through the north celestial pole, to your horizon due west C) a half-circle extending from your horizon due north, through your zenith, to your horizon due south D) the point directly over your head
Which sequence of formation is most likely to be correct, oldest to youngest?
A) globular clusters, open clusters, OB associations B) Population I stars, population II stars, population III stars C) halo, spiral arms, globular clusters D) planetary nebulae, Population I stars, population II stars E) emission nebulae, planetary nebulae, dark nebulae