Parametric Equations Trigonometry and Applications 3. A projectile moves so that its position in feet at time t seconds is given by the equations x= 30t y=-16r +50 a. How long will it take the projectile to strike the ground? b. Sketch a graph of the path of the projectile in rectangular XYcoordinates. c. What is the height of the projectile when it has covered a horizontal distance of 20 ft?

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