A plane flying horizontally at 350 m/s releases a package at an altitude of 1500 m. (a) How long will the package take to hit the ground? (b) How far will it move horizontally while falling?

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

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.

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.