Jennifer throws a softball 10.0m east to Sasha. Sasha throws it 10.5m east to Clair. Clair throws it 3.8m west to Brianna. Brianna throws it 5.1m west to Kerry. What is
the MAGNITUDE of the displacement of the softball? Record your answer to 1
decimal place. (You do not need to record a direction.)

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

What are similarities and differences between refraction, reflection, diffraction and absorption?

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.