9. Two moving objects will change their motion if which of the following is true? a. There is no friction on the objects. b. The objects collide with each other. c. One object is heavier than the other. d. The objects are moving in space.

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?