ch13-p028 - 28. The difference between free-fall...

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28. The difference between free-fall acceleration g and the gravitational acceleration g a at the equator of the star is (see Equation 13.14): 2 g ag R ω −= where 22 153rad/s 0.041s T ππ == = is the angular speed of the star. The gravitational acceleration at the equator is 11 3 2 30
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