2. the student stood at the bottom of the wall and then started to climb the wall. explain how : a. newton's third law relates to the wall b. newton's first law relates to the student

If jill was traveling at 300 miles in 4 hours due south what was his velocity in miles per minute a) 75 miles per hour due south b) .02 miles per second due south c) .5 miles per second due south d) 1 mile per hour due south

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight