Classical Mechanics Conceptual Questions - Experts Answers

1) How does Earth's Rotation relate to time taken by aircraft to reach from say India to the United States and back?

2) Which direction would a helium filled ballon go in an enclosed car that turns right, and why?

3) If an orbiting artificial satellite were to slow down, what would happen?

4) When a car is driving up a hill, is the friction between the tires and the ground static friction or kinetic friction?

5) What is the physics involved in skydiving?

6) Do sub-atomic particles obey Newtons Laws of motion?

7) Can energy be converted back into mass?

8) The tires of airplanes (at least the big ones) are inflated by nitrogen (instead of air). Why is this done?

9) Where is the force of gravity stronger, on the top of Mt. Everest or at sea level?