A horse begins from rest, and then accelerates uniformly and travels 39.5 m in 6.22 s. Your job is to find the horse's final speed.

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m