I'll give 40 more points to whoever me i'll do anything1. cam newton can sprint 40 meters in 5.79 seconds! how fast can he run? to figure this out we divide the distance by the change in time. 40/5.79 = 6.9 meters per second approximately.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •