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

Question

A police car traveling south toward Sioux Falls at 160 km/h pursues a truck traveling east away from Sioux Falls, Iowa, at 140 km/h.

At time t = 0, the police car is 4 km north and the truck is 7 km east of Sioux Falls. An observer in the police car is watching the truck. How fast is the observer's head turning at the instant t = 0?

Round your answer to two decimal places and use correct units.

A police car traveling south toward Sioux Falls at 160 km/h pursues a truck traveling east away from Sioux Falls, Iowa, at 140 km/h. At time t = 0, the police car is 4 km north and the truck is 7 km east of Sioux Falls. An observer in the police car is watching the truck. How fast is the observer's head turning at the instant t = 0? Round your answer to two decimal places and use correct units.

Explanation / Answer

The function that gives the distance between vehicles during the first part of the pursuit is

f(t) = ?[(40-7t/3)

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