1. A car starts driving north 30 mile per hour from Station A. Two hours later, a truck starts driving west 45 miles per hour from Station B. Station B is 60 miles east of Station A. At what rate are the car and truck moving apart 5 hours after the car stars driving? y(t) N 30mph ↑ =Y'(H) A D(t) X(t) 600 miles B x'(+) = 45mph +=5hr, 2hr delay find ny potenuse, DCH) D(H)² = x(+)² + y(t) ² 2D(H) D'(t) = 2x(t) x' (t) +Zy(t)y' (t) when x(t) = 60 mi & y(t)
1. A car starts driving north 30 mile per hour from Station A. Two hours later, a truck starts driving west 45 miles per hour from Station B. Station B is 60 miles east of Station A. At what rate are the car and truck moving apart 5 hours after the car stars driving? y(t) N 30mph ↑ =Y'(H) A D(t) X(t) 600 miles B x'(+) = 45mph +=5hr, 2hr delay find ny potenuse, DCH) D(H)² = x(+)² + y(t) ² 2D(H) D'(t) = 2x(t) x' (t) +Zy(t)y' (t) when x(t) = 60 mi & y(t)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 18T
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