Questions:
1) A) At what height above the earth is the acceleration due to gravity 5.00% of its value at the surface?
B) What is the speed of a satellite orbiting at that height?
2)A rectangular air mattress is 1.6 m long, 0.56 m wide, and 0.07 m thick. If it has a mass of 2.0 kg, what additional mass can it support in water?