Two point charges, one q and the other -q, form a dipole separated by a distance 2L. A third charge Q is placed midway between these two charges. If the only charge that is negative is -q, what is the force on Q?
Answer: 2kqQ/L^2 towards q
Physics & Space Science
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Maxwell developed his theory of electromagnetism by combining previous discoveries. He added his own original hypothesis that:
a. electric charges produce electric fields. b. moving electric charges produce magnetic fields. c. changing electric fields produce magnetic fields. d. changing magnetic fields produce electric fields.
Physics & Space Science
The names of the moons of Mars are ______________ and ______________
Fill in the blank(s) with correct word
Physics & Space Science
A simplified explanation of mountain building is provided by the theory of
a. orogenesis. b. plate tectonics. c. continental accretion. d. epiorogenic movement.
Physics & Space Science
There is a solar eclipse of some kind every new moon
Indicate whether the statement is true or false
Physics & Space Science