In Order to Simulate Weightlessness for Astronauts in Training, They

question 94

Multiple Choice

In order to simulate weightlessness for astronauts in training, they are flown in a vertical circle. If the passengers are to experience weightlessness, how fast should an airplane be moving at the top of a vertical circle with a radius of 2.50 km?

• A) 157 m/s
• B) 314 m/s
• C) 78.5 m/s
• D) 255 m/s
• E) 510 m/s

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