Answered: The speed of a projectile when it…

The speed of a projectile when it reaches its maximum height is one-half its speed when it is at half its maximum height. What is the initial projection angle of the projectile?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 15P

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Question

The speed of a projectile when it reaches its maximum
height is one-half its speed when it is at half its maximum
height. What is the initial projection angle of the projectile?

Answer : 67.8 degrees

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