What is one of the most important assumptions for using kinematic equations?

Aregular polygon has angkes of size 150° each.how many side has the polygon

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

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.