Uniform Circular Motion: Future Space Stations Will Create an Artificial

question 9

Multiple Choice

Uniform circular motion: Future space stations will create an artificial gravity by rotating. Consider a cylindrical space station 390 m diameter rotating about its central axis. Astronauts walk on the inside surface of the space station. What rotation period will provide "normal" gravity?

• A) 28 s
• B) 40 s
• C) 6.3 s
• D) 4.4 s