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A balloon is rising at a constant speed 4 m/s. A boy is cycling along a straight road at a speed of 8 m/s. When he passes under the balloon, it is 36 meters above him. How fast is the distance between the boy and a balloon increasing 3 sec later?

A balloon is rising at a constant speed 4 m/s. A boy is cycling along a straight road at a speed of 8 m/s. When he passes under the balloon, it is 36 meters above him. How fast is the distance between the boy and a balloon increasing 3 sec later?

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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1. A balloon is rising at a constant speed 4 m/s. A boy is cycling along a straight road at a speed of 8 m/s. When he passes under the balloon, it is 36 meters above him. How fast is the distance between the boy and a balloon increasing 3 sec later?
Transcribed Image Text:1. A balloon is rising at a constant speed 4 m/s. A boy is cycling along a straight road at a speed of 8 m/s. When he passes under the balloon, it is 36 meters above him. How fast is the distance between the boy and a balloon increasing 3 sec later?
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