True or false : conservation of energy gives a relationship between the speed of a falling object and the height from which it was dropped

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?

What do you think car designers do if the damage caused by a crash test is too severe?

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.