1) A projectile is fired in such a way that its horizontal range is equal to 2.5 times its maximum height. What is the angle of projection

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
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1) A projectile is fired in such a way that its horizontal range is equal to 2.5 times its maximum height. What is the angle of projection?

2) To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 290 m/s at 54.0° above the horizontal. It explodes on the mountainside 35.0 s after firing. What are the x and y coordinates of the shell where it explodes, relative to its firing point?

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