A police car traveling south toward Sioux Falls, Iowa, at 160 km/h pursues a truck traveling east

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A police car traveling south toward Sioux Falls, Iowa, at 160 km/h pursues a truck traveling east away from Sioux Falls at 140 km/h (Figure 12). At time t = 0, the police car is 20 km north and the truck is 30 km east of Sioux Falls. Calculate the rate at which the distance between the vehicles is changing:
(a) At time t = 0
(b) 5 min later

160 km/h Sioux Falls X 140 km/h

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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