Solved: Projectile explorations A projectile launched from

Chapter 10, Problem 106

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Projectile explorations A projectile launched from the ground with an initial speed of 20 m>s and a launch angle u follows a trajectory approximated by x = 120 cos u2t, y = -4.9t2 + 120 sin u2t, where x and y are the horizontal and vertical positions of the projectile relative to the launch point 10, 02. a. Graph the trajectory for various values of u in the range 0 6 u 6 p>2. b. Based on your observations, what value of u gives the greatest range (the horizontal distance between the launch and landing points)? 10

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