1. An automobile with tire radius 0.260 m travels 80,000 km before the tires wear out and need to be replaced. How many

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1 An Automobile With Tire Radius 0 260 M Travels 80 000 Km Before The Tires Wear Out And Need To Be Replaced How Many 1 (50.76 KiB) Viewed 41 times

1. An automobile with tire radius 0.260 m travels 80,000 km before the tires wear out and need to be replaced. How many revolutions did the tires make? 2. The International Space Station (ISS) orbits at an altitude of 400 km and makes one complete orbit every 93 minutes. What is the magnitude of the centripetal acceleration on the ISS? Express your answer in gees (Earth-surface equivalent accelerations). Earth's radius is about 6380 km. 3. A person of mass 75.0 kg climbs a staircase gaining 2.50 meters in height. What work is done by the climber? Express your answer in kcal.