2.17 Related Rates: Quiz

Problem 4

A car leaves the city at 1 p.m. traveling north at a constant speed of 45 miles per hour. A second car leaves the city 45 minutes later, traveling west at 60 miles per hour.

  1. How far apart are they at 2 p.m.?
  2. How fast is the distance between them increasing at 3 p.m.?

Answers, problem 4

  1. 47.434 miles
  2. 72.981 miles per hour

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