If three unequal capacitors, initially uncharged, are connected in series across a battery, which of the following statements is true?
1.The equivalent capacitance is greater than any of the individual capacitances.
2.The largest voltage appears across the smallest capacitance.
3.The largest voltage appears across the largest capacitance.
4.The capacitor with the largest capacitance has the greatest charge.
5.The capacitor with the smallest capacitance has the smallest charge.
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Three forces, 5.0 N, 15.0 N, and 20.0 N, are acting on a 9.81 kg object. Which of the following forces could also be acting on the object if it is moving with constant velocity?
a. 1.0 N c. 39.0 N b. 19.0 N d. any of the above
How did James Joule determine how much work is equivalent to how much heat?
a. By attaching a team of horses to cannon-boring equipment. b. By repeating Rumford's experiments but measuring the amount of heat created. c. By defining one horsepower as the rate that a very strong horse does work. d. By creating a system where he could change the heat either with work or with external heat sources. e. By heating a gram of water by one degree.
What is the correct order of planetary development?
a. differentiation, cratering, flooding, slow surface evolution b. cratering, flooding, differentiation, slow surface evolution c. slow surface evolution, differentiation, flooding, cratering d. differentiation, flooding, cratering slow surface evolution e. flooding, slow surface evolution, cratering, differentiation
Compound Microscope: Jack and Mary view the same microorganism through the same compound microscope. Mary's near point distance, NM, is twice as large as Jack's near point distance, NJ. If Mary sees the microorganism with magnification MM, with what magnification does Jack see it?
A. 2 MM B. MM/2 C. 4 MM D. MM/4 E. 8 MM