Light strikes a mirror's surface at 33 degrees to the surface. what will the angle of reflection be? what is the angle betwwen incident ray and reflected way

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

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.

If the new moon happens on january 15th, what shape will it be on february 6th?