Physics 15 pt
an object is placed in the gravitational field of a more massive object so that it is initially stationary. which statement best describes the velocity of the smaller object?
a. it's constant.
b. it increases with time.
c. it decreases with time.

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.