If you set up an experiment with two different independent variables, then the results would
a) inconclusive; you would not know which of the two variables caused the change.
b)definitive; the results would be more accurate if you change the two variables at a time.
c) conclusive; showing a strong correlation between dependent and independent variables.
d) somewhat conclusive, you know the change resulted from one of the variables.

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Acoyote chasing a rabbit is moving 8.00 m/s due east at one moment and 8.80 m/s due south 4.25 s later. let the x axis point due east and the y axis point due north. find the direction of the coyote's average acceleration during that time.

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.