Two light sources emit waves that are in phase with a wavelength of λ = 250 nm. the two waves meet at a distant point where wave #1 has traveled 100 nm. the distance traveled by wave #2 is variable. which of the distances for wave #2, listed below, would result in destructive interference? a. 600nmb. 300nmc. 975nmd. 500nme. 475nm

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.

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

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