ch13-p083 - 83. (a) We write the centripetal acceleration...

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(b) To barely escape means to have total energy equal to zero (see discussion prior to Eq. 13-28). If m is the mass of the meteoroid, then 2 4 14 08 . 9 1 0 m / s . 2 GmM GmM GM mv v rr r −−= ¡ == × 83. (a) We write the centripetal acceleration (which is the same for each, since they have
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