96 Motion in Two DimensionsP4.32The satellite is in free fall. Its acceleration is due to gravity and is by effect a centripetal acceleration.agc=sovrg2=.Solving for the velocity, vrg==+=×6 400 600 108 217 58 1033,..afejejm msms2vrT=2πandTrvT××=×FHGIKJ=22700010758 10580 10196 73333,.....mmsssmin60 sminSection 4.5Tangential and Radial AccelerationP4.33We assume the train is still slowing down at the instant in question.avravtaaactct−=−=+=+−2312212940 01015 00741....±mskm hm kms2h3600 s2∆
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