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10. A rocket fired at 275 m/s at 36° angle of elevation is described by x=(275 cos 36°)t and y = (275 sin 36°)t - 4.9t². Find the velocity (magnitude and direction) at 8 s.

10. A rocket fired at 275 m/s at 36° angle of elevation is described by x=(275 cos 36°)t and y = (275 sin 36°)t - 4.9t². Find the velocity (magnitude and direction) at 8 s.

Calculus: Early Transcendentals
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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10. A rocket fired at 275 m/s at 36° angle of elevation is described by x = (275 cos 36°)t and y = (275 sin 36°)t – 4.9t². Find the velocity (magnitude and direction) at 8 s.
Transcribed Image Text:10. A rocket fired at 275 m/s at 36° angle of elevation is described by x = (275 cos 36°)t and y = (275 sin 36°)t – 4.9t². Find the velocity (magnitude and direction) at 8 s.
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