Two trains leave the station at the same time, one heading east and the other west. the eastbound train travels at 85 miles per hour. the westbound train travels at 75 miles per hour. how long will it take for the two trains to be 352 miles apart?

Select the three ways that the parallel-plate capacitor differs from a car battery.

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.