When two objects with different charges are in the same area, the objects will (4 points) select one: a. vibrate b. move away from each other c. attract each other d. become magnetic

Paul and ivan are riding a tandem bike together. they’re moving at a speed of 5 meters/second. paul and ivan each have a mass of 50 kilograms. what can paul do to increase the bike’s kinetic energy?

Aspring-loaded gun, fired vertically, shoots a marble 9.0 m straight up in the air. what is the marble's range if it is fired horizontally from 1.8 m above the ground?

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?