The spring is released and a 0.10-kilogram plastic sphere is fired from the launcher. calculate the maximum speed with which the plastic sphere will be launched. [neglect friction.] [show all work, including the equation and substitution with units.]

Explain the consequences of this addiction to the brain tissue

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.

Positrons are spontaneously emitted from the nuclei of