A parallel-plate capacitor is disconnected from a battery, and the plates are pulled a small distance further apart. Does E between the plates increase, decrease, or stay the same?
1.increase
2.decrease
3.remains the same
3
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One of the first tests of the general theory of relativity was the ____
a. description of the orbit of the moon b. determination of the speed of light as a constant c. change in mass of a particle moving at a high speed d. demonstration of a hammer and a feather falling at the same rate on the moon e. determination of the rate of advance of the perihelion of Mercury's orbit
A 4.0-?C charge is situated at the origin of an xy-coordinate system. What is the potential difference between the points x = 4.0 m and y = 2.0 m because of this charge?
A) -9.0 × 103 V B) 9.0 × 103 V C) -36 × 103 V D) 36 × 103 V E) 0 V
A negative muon decays to form an electron and a mu neutrino and one additional particle. The other particle must be a(n)
a. positron. b. antineutrino. c. neutrino. d. photon.
The longest day (daylight) of the year for the Northern Hemisphere occurs at the time of the
a. autumnal equinox. b. vernal equinox. c. winter solstice. d. summer solstice.