A bump should primarily be used in which situation? A. when the ball is going out of bounds
B. when returning a serve
C. to start game play

A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s

What is the relationship between ozone and smog?

2) why do satelites not fall while revolving around the earth?