Two charged particles repel each other with a force of F. How would the magnitude of this force change if the charge on one of the particles was doubled?

- it would decrease to one-fourth of what it was.

- it would decrease to half of what it was.

- it would increase to four times what it was.

- it would increase to twice what it was.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal