An initially uncharged 10-?F capacitor is charged by a 10-V battery through a resistance R. The capacitor reaches a potential difference of 4 V in a period of 3 s after the charging began. Find the value of R


587 k?

Physics & Space Science

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A) it is not acted on by any forces. B) it is not acted on by any horizontal forces. C) has a zero net force acting on it. D) none of the above

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What mechanism is most responsible for generating the internal heat of Io that drives the volcanic activity?

A) accretion B) radioactive decay C) differentiation D) tidal heating E) bombardment

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A 4.00 kg mass is located at (2.00 m, 2.00 m, 0.00 m) and a 3.00 kg mass is located at (–1.0 m, 3.00 m, 0.00 m). If this system of masses rotated about the X-axis perpendicular to the Z-Y plane, then the moment of inertia of this system is

A. 24 kg
B. 36 kg
C. 43 kg
D. 56 kg
E. 62 kg

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The event horizon of a black hole is

A) the surface below which no matter or energy can escape. B) the surface where light becomes trapped in a circular orbit around the black hole. C) the physical surface of the black hole. D) the point in time when a black hole comes into being.

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