Which of the following has longest wavelength, a) blue light b)red light c)x-rays d)gamma rays ?

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

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.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?