Answer 36.45 ft/sec . Explanation Given: A stone thrown with an initial velocitygiven function is 45 feet per sec at a horizontal angle of 52 ∘ . Calculation: To find the velocity, first find v y . sin 52 = v y 45 ⇒ v y = 45 sin ( 52 ∘ ) = 36.45 ft/sec Hence, the initial velocity of a stoneis 36.45 ft/sec .

Advanced Mathematical Concepts: Precalculus with Applications, Student Edition

1st Edition

ISBN: 9780078682278

Author: McGraw-Hill, Berchie Holliday

Publisher: Glencoe/McGraw-Hill

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Question

Chapter 15.4, Problem 59E

To determine

To find:the initial velocity of a stone.

Expert Solution & Answer

Answer to Problem 59E

36.45 ft/sec .

Explanation of Solution

Given:

A stone thrown with an initial velocitygiven function is 45 feet per sec at a horizontal angle of 52∘ .

Calculation:

Advanced Mathematical Concepts: Precalculus with Applications, Student Edition, Chapter 15.4, Problem 59E

To find the velocity, first find vy .

sin52=vy45⇒vy=45sin(52∘)=36.45 ft/sec

Hence, the initial velocity of a stoneis 36.45 ft/sec .

Chapter 15.4, Problem 58E

Chapter 15.4, Problem 60E

Chapter 15 Solutions

Advanced Mathematical Concepts: Precalculus with Applications, Student Edition

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