A train takes 3.5 h to travel from Seattle, WA to Portland, OR, a distance of 170 miles. If 0.3 h of that time is spent stopped at stations, what is the average speed of the train when it is moving? Need a Hint?
53 mi/h

58 mi/h

61 mi/h

64 mi/h

Type the letter that represents the correct location for each particle type below.

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —