Charge of uniform density 90 nC/m3 is distributed throughout the inside of a long nonconducting cylindrical rod (radius = 2.0 cm). Determine the magnitude of the potential difference of point A (2.0 cm from the axis of the rod) and point B (4.0 cm from the axis)
a. 1.9 V
b. 1.4 V
c. 2.2 V
d. 2.8 V
e. 4.0 V
b
Physics & Space Science
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A planet has two small satellites in circular orbits around the planet. The first satellite has a period 12.0 hours and an orbital radius 6.00 × 107 m. The second planet has a period 16.0 hours. What is the orbital radius of the second satellite?
A) 4.50 × 107 B) 3.90 × 107 C) 9.24 × 107 D) 8.00 × 107 E) 7.27 × 107
Physics & Space Science
What spectral class of star fits between a type G and a type M?
a. L b. K c. A d. F
Physics & Space Science
The frequency of a periodic wave is 325 Hz. If the wavelength is 50.0 cm, then what is the velocity of the wave?
A. 163 m/s B. 203 m/s C. 237 m/s D. 285 m/s E. 316 m/s
Physics & Space Science
Which of the following is the most abundant element in the Universe?
A) Nitrogen B) Oxygen C) Carbon D) Hydrogen
Physics & Space Science