A-2.OuC point charge and a 4.0uC point charge are a distance L apart. If the electric force between the two charges is 11.25 N, what is the length of L?
Answer =
m (report your answer to the thousandths place)

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?