After t sec. a ball tossed in the air from ground level reaches a height of h feet given by the equation: h=144t-16t^2
a. what is the height of the ball after 3 sec.? 288 ft.
b. what is the maximum height the ball will reach
c. find the number of seconds the ball is in the air when it reaches 224 ft in height
d. after how many sec. will the ball hit the ground before rebound?
I am not sure which equation to use and why for the b, c, and d. If I find the ft/sec. that the ball travels (96), and set the quadratic equation to - 16t^2+144t+288 or 16t^2-144t-288=0, is this correct? Or should I use the quad formula and why.
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Home » Mathematics » After t sec. a ball tossed in the air from ground level reaches a height of h feet given by the equation: h=144t-16t^2 a. what is the height of the ball after 3 sec.? 288 ft. b. what is the maximum height the ball will reach c.