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4. A weather balloon is rising vertically. After 1 hours, its distance above the ground, measured in kilometres, is given by the formula s(t) = 81 - 1². a. Determine the average velocity of the weather balloon from t = 2 h to t = 5 h. b. Determine its velocity at t = 3 h.

4. A weather balloon is rising vertically. After 1 hours, its distance above the ground, measured in kilometres, is given by the formula s(t) = 81 - 1². a. Determine the average velocity of the weather balloon from t = 2 h to t = 5 h. b. Determine its velocity at t = 3 h.

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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QUESTION 4

4. A weather balloon is rising vertically. After 1 hours, its distance above the ground, measured in kilometres, is given by the formula s(t) = 8t – 1². a. Determine the average velocity of the weather balloon from t = 2 h to t = 5 h. b. Determine its velocity at t = 3 h.
Transcribed Image Text:4. A weather balloon is rising vertically. After 1 hours, its distance above the ground, measured in kilometres, is given by the formula s(t) = 8t – 1². a. Determine the average velocity of the weather balloon from t = 2 h to t = 5 h. b. Determine its velocity at t = 3 h.
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