A scientist launched an object upward at a speed of 32 ft per second from a height of 240 feet. The height of the object is modeled by the equation h = 240 + 32t - 16t2. After how much time will the object hit the ground? A 3 seconds B 5 seconds C 12 seconds D 20 seconds
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Home » Mathematics » A scientist launched an object upward at a speed of 32 ft per second from a height of 240 feet. The height of the object is modeled by the equation h = 240 + 32t - 16t2.