Problem 6.56 One of the hazards of prolonged weightlessness on long space missio

Question

Problem 6.56 One of the hazards of prolonged weightlessness on long space missions is bone and muscle loss To combat this problem, NASA is stuoying a human-powered centribage n a suspended, bicycle ike contraption, while a second astronaut rides standing up in a similarly suspended platform Part A f the standing astronaut moves with a speed of 31 m/s at a distance of 3.9 m from the center of the device, what s the astronaut's centrpetal acceleration? Gre you as a multiple of g. the acceleration due to gravity on the surface of the Earth Express your answer to two significant figures. dy Submit gs Type here to search

Explanation / Answer

Given,

Speed, v = 3.1 m/s

Centripetal acceleration, ac = v2/r = ( 3.1)2/ 3.9 = 2.464 m/s2 = 2.464 / 9.81 = 0.25g

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