Aparallel-plate capacitor in air has a plate separation d = 4 mm and square plates with area a = 25.0 cm^2. the plates are maintained to a constant potential difference of 255 v. determine the charge on the plates and the energy stored by the capacitor.

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 combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

14. a body is projected with velocity vi from a. at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is