Momentum is a measure of
a. how hard it is to stop an object
b. the amount of matter in an object
c. the tendency of an object to change its motion
d. the amount of force acting on an object

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b