Atype of invisible matter whose gravity affects how galaxies move is called a. dim matter b. dark matter c. black dwarfs d. white dwarfs

B

Explanation:

The answer is B

a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)

i would say the answer is food.

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