A -7.0-?C point charge has a positively charged object in an elliptical orbit around it. If the mass of the positively charged object is 1.0 kg and the distance varies from 5.0 mm to 20.0 mm between the charges,
what is the maximum electric potential difference through which the positive object moves?
(k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A) 9.4 MV
B) 3.2 MV
C) 4.2 MV
D) 16 MV
A
You might also like to view...
On an H-R diagram, stellar radii
A) increase diagonally from the lower left to the upper right. B) are greatest in the lower left and least in the upper right. C) decrease from left to right. D) are impossible to determine.
The origin of the erosion features seen on the surface of Mars appears to be due to
A) runoff after rainfall B) erosion by water-rich debris flows C) an underground source D) one or more of these
226 88Ra decays by alpha decay. What are A and Z for the daughter nuclide?
A. 226, 92 B. 222, 92 C. 226, 88 D. 222, 88 E. 222, 86
Which object has the most kinetic energy?
A) a 4-ton truck moving 50 km/hr B) a 3-ton truck moving 70 km/hr C) a 2-ton truck moving 90 km/hr D) a 1-ton truck moving 110 km/hr E) A, B, C, and D all have the same kinetic energy.