PHYSICS!
posted by JJ .
A projectile is fired with an initial speed of 32.5 m/s at an angle of 61.4° above the horizontal. The object hits the ground 7.55 s later. What is the absolute value of the difference in height between the launch point and the point where the projectile hits the ground?

the vertical point of the projectile at any time t is
h(t)=32.5Sin61.4 * t  4.9 t^2
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