help with this homework please! BIO A Human Centrifuge To test the effects of hi

Question

help with this homework please!

BIO A Human Centrifuge To test the effects of high acceleration on the human body, the National Aeronautics and Space Administra- tion (NASA) constructed a large centrifuge at the Manned Spacecraft Center in Houston. In this device, astronauts were placed in a capsule that moved in a circular path with a radius of 15 m. If the astronauts in this centrifuge experienced a centripetal acceleration 9.0 times that of gravity, what was the linear speed of the capsule? 48·

Explanation / Answer

centripetal acceleration (ac) = v2/r

given ac = 9g

so 9g = v2/r

v2 = 9rg = 9 * 15 * 9.8

v2 = 1323

v = 36.27 m/s

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