Describe how the total time spent in the air is affected as a projectiles angle of launch is increased from from 55 degrees to 75 degrees.

Write the correct abbreviation for each metric unit

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 difference between a red shift and a blue shift has to do with wavelength frequency. t or f