Question 9 1 pts
A Cara is running back and forth during a soccer game. First, she runs 65 meters south, then 49
meters north, then 17 meters south. What is the Cara's total displacement at the end?
a. 33 meters south
b. 131 meters south
c. 77 meters north
d. 91 meters south

What’s #16 asking and how do i solve it?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples

Which statement best explains why the overall charge on an atom is zero?