# Analytical solution of parametric equation

A projectile is fired with an initial velocity of 230 feet per second at an angle of 45 degrees with the horizontal. The parametric equations describing its motions are

x = 115 - SQR(2)*t

y = 115- SQR(2)*t-16t².

Find the time when the projectile hits the ground, and the range of the projective (the horizontal distance covered).

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Analytical solution of parametric equation

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