Calculate the light intensity 1.51 m from a light bulb that emits 100 W of visible light, assuming that the light radiates uniformly in all directions
A) 3.49 W/m2
B) 4.01 W/m2
C) 43.9 W/m2
D) 50.5 W/m2
A
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A(n)__________is a form of an atom with the same number of protons but a different number of neutrons
A) isotope B) ion C) molecule D) meteor
Mercury features long, steep cliffs in its crust called "scarps" which probably formed
A. by erosion from high solar winds. B. like giant wrinkles as the crust cooled and shrank. C. after impacts from a planetesimal or asteroid. D. as plates of crust shifted as a result of massive earthquakes at a fault. E. from floods of running water left to evaporate after comet impacts.
Consider a galvanometer with full scale sensitivity of 333. ?A and a coil resistance of 33. ?
(a) What shunt resistance is needed to make a 5.0 A ammeter? (b) What series resistance is needed to construct a 5.0 volt voltmeter?
According to Newtonian physics, and to the philosophical views usually associated with Newtonian physics, the workings of the physical universe are
A) predetermined in their overall outlines, but with certain details [such as human decision-making] left to chance or to free will. B) completely a matter of chance. C) an anti-American plot. D) completely predetermined, just like the workings of a clock. E) partially pre-determined and partially a matter of chance.