The Cassini Division is a gap in Saturn's rings caused by
A) Saturn's magnetic field.
B) two shepherding moons.
C) Saturn's excess heat.
D) gravitational interaction with Mimas.
E) the icy ring particles melting.
D
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Which moon orbits Pluto?
a. Ceres b. Eris c. Charon d. Oberon e. Triton
Two parallel conductors each of 0.50-m length, separated by 5.0 × 10^-3 m and carrying 3.0 A in the same direction, will experience what type and magnitude of mutual force? (magnetic permeability in empty space µ0 = 4p × 10^-7 T×m/A)
a. attractive, 1.8 × 10^-4 N c. repulsive, 0.60 × 10^-4 N b. repulsive, 1.8 × 10^-4 N d. attractive, 0.06 × 10^-4 N
A circular coil of copper wire is lying flat on a horizontal table. A bar magnet is held with its south pole downward, vertically above the center of the coil. The magnet is released from rest and falls toward the coil
As viewed from above, you can say that, as it falls, the magnet induces A) counterclockwise current in the loop. B) clockwise current in the loop. C) no current in the loop. D) an emf but no electric current in the loop. E) Not enough information is provided.
An X-ray photon has more energy than a visible photon
Indicate whether the statement is true or false