The momentum of group of objects remains the same unless an outside acts on the object.

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.

Which word expression describes how much to calculate pressure

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m