The police radar reads that the distance between the police car and the red car is decreasing at a rate of 90 feet per second. How fast is the red car actually traveling along the road? The actual speed (along the road) of the red car is (Note: Think right triangle.) feet per second

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A police car is parked 50 feet due north of a stop sign on straight road.
A red car is travelling towards the stop sign from a point 160 feet due east on the road.
The police radar reads that the distance between the police car and the red car is decreasing at a rate of 90
feet per second.
How fast is the red car actually traveling along the road?
The actual speed (along the road) of the red car is
(Note: Think right triangle.)
(Enter your answer as a decimal number rounded to 2 places.)
feet per second
Transcribed Image Text:A police car is parked 50 feet due north of a stop sign on straight road. A red car is travelling towards the stop sign from a point 160 feet due east on the road. The police radar reads that the distance between the police car and the red car is decreasing at a rate of 90 feet per second. How fast is the red car actually traveling along the road? The actual speed (along the road) of the red car is (Note: Think right triangle.) (Enter your answer as a decimal number rounded to 2 places.) feet per second
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