ch10-p023 - 23. (a) Converting from hours to seconds, we...

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23. (a) Converting from hours to seconds, we find the angular velocity (assuming it is positive) from Eq. 10-18: () 4 3 3 2.90 10 km/h 1.000 h /3600 s 2.50 10 rad/s. 3.22 10 km v r ω × == = × × (b) The radial (or centripetal) acceleration is computed according to Eq. 10-23:
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