The shepherd moons keep the ring particles in their rings by:
A) repelling the ring particles, causing them to slow down.
B) repelling the ring particles, causing them to speed up or slow down.
C) attracting the ring particles, causing them speed up.
D) attracting the ring particles, causing them to speed up or slow down.
E) both attracting and repelling the ring particles, causing them to speed up or slow down.
D
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What will be an ideal response?
When two or more resistors are connected in parallel to a battery
A) the voltage across each resistor is the same. B) the total current flowing from the battery equals the sum of the currents flowing through each resistor. C) the equivalent resistance of the combination is less than the resistance of any one of the resistors. D) all of the other choices are true.
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A 3.0-kg and a 5.0-kg box rest side-by-side on a smooth, level floor. A horizontal force of 32 N is applied to the 3.0-kg box pushing it against the 5.0-kg box, and, as a result, both boxes slide along the floor
How large is the contact force between the two boxes? A) 12 N B) 20 N C) 24 N D) 32 N E) 0 N