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A projectile is launched at an angle of 11.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 170 m from the launch point and 11.5 m above the launch level?

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Principles of Physics: A Calculus-Based Text
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ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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