A 12.0-V battery (potential source) is connected across a 6.00-µF air-filled capacitor. (a) How much energy can be stored this way? (b) How much excess charge is on each plate of the capacitor?
What will be an ideal response?
(a) 432 µJ (b) 72.0 µC
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All planets in the solar system orbit counterclockwise as seen from the north
a. True b. False Indicate whether the statement is true or false
Planets wobble in their orbits due to
A) the gravitational attraction to other planets. B) uncertainties in the inverse-square law. C) elliptical-orbit quirks. D) all of the above E) none of the above
A wheel accelerates from rest to at a uniform rate of 58 rad/s2. Through what angle (in radians) did the wheel turn while accelerating?
A) 30 rad B) 24 rad C) 60 rad D) 38 rad
An uncharged conductor is supported by an insulating stand. I pass a positively charged rod near the left end of the conductor, but do not touch it. The right end of the conductor will be:
a. neutral. c. attracted. b. positive. d. negative.