Question

7. The International Space Station (ISS) orbits around the Earth. The ISS is 408,000 meters above the

surface of the Earth. It takes about 92.3 minutes to orbit around the Earth one time. The Earth's

radius is 6,370,000 meters. [10 points ]

a. Calculate the tangential speed of the ISS in meters/second. [ 5 points ]

b. Calculate the centripetal acceleration felt by the ISS.

What fraction of the acceleration due to gravity on Earth's surface is your answer? [5 points ]