True or False? There is more downward force on a faster car than on a slower car when both are traveling at the same time and on the same
highway.

The air that we breath is made mostly of which gaseous molecule

What is the angular momentum of the bar about the axle?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.