Solve the problem.The position of a projectile fired with an initial velocity v0 feet per second and at an angle ? to the horizontal at the end of t seconds is given by the parametric equations Suppose the initial velocity is 10 feet per second. Obtain the rectangular equation of the trajectory and identify the curve.

Question

A. y = -   + (cot ?)x; hyperbola
B. y = -   + (tan ?)x; ellipse
C. y =   + (cot ?)x; parabola
D. y = -   + (tan ?)x; parabola

Answer 1

Answer: D