7. A solid disk and a thin-walled ring of the same mass and radius roll down an incline, starting from rest and from the same height. Which of these objects will reach the bottom of the incline with a higher speed? (a) The ring. (b) The disk. (c) Both will reach the bottom with the same speed.

Station A and Station B, are 800 miles apart. Train A departs Station A (heading for Station B) at 12:00 noon travelling at 50.0 mph. Train B departs Station B (heading for Station A) at 1:00 pm travelling at 25.0 mph. Part A At what hour will the trains meet? (Note, do not include the minutes, just round to the nearest hour) t = Submit Part B 15| ΑΣΦ d = Request Answer ? How far from Station A will the trains be when they pass by each other? IVE ΑΣΦ pm ? miles

You drive 5.50 km in a straight line in a direction 30.5° east of north. Find the distances you would have to drive straight east and then straight north to arrive at the same point. What distance should you drive straight east? What distance should you drive straight north?

Please solve 1 and 3

An airplane flies 59 km at 30.0° east of north before turning to go 58 km due south and then finally, it flies 100 km at 30.0° north of west.  How far is the plane from its starting point?