A ball is thrown up at 15 m/s how long does it take to reach it's highest point ?

The plum pudding model of the atom state that ?

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

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