At the top of a building 125 meters high, a dense ball is shot horizontally such that its initial velocity is 20 m/s. How long does it take to strike the ground?
15
20 m/s
16
40 seconds
17
50 seconds

25 seconds
18
12 seconds

Which fators influence ocean currents

Awalk up the phase change graph worksheet

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.