What is the period of a wave with a speed of 10 m/s and frequency of 23 Hz?

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.

Which component of the earth’s atmosphere is decreased due to photosynthesis?

When solid surfaces slide over each other the kind of friction that occurs is called friction