Find the displacement of: Bill walks 5m E; 3 m W; 6 m E; 3 m W; 5 m E; 2 m W

Does anyone have the answers to online physics course plato course physics, semester a v3.0

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

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