Asked by Kiki
Marting throws a baseball upwards at a velocity of 80 ft/sec. The following equation models this situation: H (t) = -16t squared + 80t + 6 , where H(t) is the height of the ball in feet and t is the time in seconds after the ball was released. HOW LONG WILL IT TAKE THE BALL TO REACH ITS PEAK (highest point)?
Answers
Answered by
Reiny
equivalent to finding the vertex of the parabola
h = -16t^2 + 80t + 6
the t of the vertex is -b/(2a) = -80/-32 = 2.5 seconds
h = -16t^2 + 80t + 6
the t of the vertex is -b/(2a) = -80/-32 = 2.5 seconds
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