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Answer key – pp. 61-70 #120-141. 4 50 N 2 1 2 86.7 N 4 1 2 3 1. Action=reaction Centripetal acceleration Sheet: longer time, smaller force; floor: shorter time, bigger force. 0.5 m/s 15 km/h 1 1 2 4 4 3.
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Answer key – pp. 61-70 #120-141 • 4 • 50 N • 2 • 1 • 2 • 86.7 N • 4 • 1 • 2 • 3 • 1 • Action=reaction • Centripetal acceleration • Sheet: longer time, smaller force; floor: shorter time, bigger force • 0.5 m/s • 15 km/h • 1 • 1 • 2 • 4 • 4 • 3