Given the electric flux density, d=0.3r^2 ar nc/m^2 infree space, find total charge wothin the sphere r=3

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.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Which of the following is the best name for mgcl2