Which exerts a gravitational force: a baseball, a football, or a bowling ball? a.) only the baseball because it is the most denseb.) only the bowling ball because it is has the most weightc.) all of the balls exert a gravitational force because they all have mass

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current