Two long conducting cylindrical shells are coaxial and have radii of 20 mm and 80 mm. The electric potential of the inner conductor, with respect to the outer conductor, is +600 V
An electron is released from rest at the surface of the outer conductor. What is the speed of the electron as it reaches the inner conductor? (e = 1.60 × 10-19 C, mel = 9.11 × 10-31 kg, k = 1/4??0 = 8.99 × 109 N • m2/C2 )
A) 1.1 × 107 m/s
B) 1.3 × 107 m/s
C) 1.5 × 107 m/s
D) 1.7 × 107 m/s
E) 1.9 × 107 m/s
C
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Consider the types of reference frames listed below. (NRF = nonrotating frame) A. A NRF in deep space B. A NRF that is freely floating C. A NRF attached to the earth’s center of mass D. A frame attached to the earth’s surface (or a similarly slowly rotating object) E. A frame moving at a constant velocity relative to one of the frame types described above F. A noninertial frame
Classify each of the frames listed below according to the type of frame it is according to the list above. (a) A NRF attached to Jupiter’s center of mass (b) A NRF attached to a satellite orbiting the earth (c) A frame attached to a car moving with a fixed speed on a straight road (d) A reference frame constructed in a sports stadium (e) A reference frame attached to a roller-coaster car (f) A reference frame attached to a freely falling elevator
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a. outer electron transitions. b. inner electron transitions. c. nuclear electron states. d. buckytubes.
The ozone layer
a. reflects all EM waves b. reflects high frequency radio waves c. reflects low frequency radio waves d. is responsible for the greenhouse effect e. absorbs ultraviolet light in sunlight
While a variety of factors can produce redshifts in the spectrum, the one associated with the expansion of the universe is called:
A) universal. B) cosmological. C) olberian. D) relativistic. E) the Zeeman Effect.