A particle with charge q is located inside a cubical gaussian surface. No other charges are nearby. If the particle is at the center of the cube, what is the flux through each one of the faces of the cube?
1. 0
2. q/2?0
3. q/6 ?0
4. q/8 ?0
5. depends on the size of the cube
3
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Why can't the Moon always pass through the center of the umbra? a. The Moon's rotation is slightly faster than its revolution around Earth. b. The Moon's orbit is inclined by 5 degrees to the plane of Earth's orbit. c. The Moon's synodic cycle changes a few minutes per cycle
d. The Moon's orbit changes with the seasons. e. The Moon is not in its full moon lunar phase.
Describe those surface features that indicate water once flowed on Mars
What will be an ideal response?
The ordering of the atmospheric layers of the Sun from outer to inner is chromosphere, corona, photosphere
a. True b. False Indicate whether the statement is true or false
The rate of cratering
A) has remained constant over the last 4.6 billion years. B) has recently increased with more collisions in the asteroid belt. C) fluctuates over time, with massive bodies occasionally coming in from the Oort Cloud. D) shows that large asteroid impacts are more common now than in the past. E) shows that most interplanetary debris was swept up soon after the formation of the solar system.