76. A projectile is launched from ground level with an initial speed of 53 m/s. Find the...
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76. A projectile is launched from ground level with an initial speed of 53 m/s. Find the launch angle (the angle the initial velocity vector is above the horizontal) such that the maximum height of the projectile is equal to its horizontal range. (Ignore any effects due to air resistance.)
74. A cannonball is fired with initial speed o at an angle 30
above the horizontal from a height of 40 m above the ground. The projectile strikes the ground with a speed of 1.20. Find o (Ignore any effects due to air resistance.)
Related Book For
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
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