a ball is projected 125 meters straight upward and then falls the same distance back to its starting point. neglecting air resistance, its total time in the air is about

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

Asystematic approach to problem solving is called a (an)

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.