projectile is launched at an angle of 15 degrees and lands 21 seconds later at the same height it was launched. What is the initial speed of the projectile? What is the maximum atltitude? What is the range?

projectile is launched at an angle of 15 degrees and lands 21 seconds later at the same height it was launched. What is the initial speed of the projectile? What is the maximum atltitude? What is the range?

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 9P

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Question

A projectile is launched at an angle of 15 degrees and lands 21 seconds later at the same height it was launched.

What is the initial speed of the projectile?

What is the maximum atltitude?

What is the range?

Calculate the magnitude of the displacement of the point of launch to the position on its trajectory at 14 seconds.

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