8000
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To find the time it takes for the object to move 9 feet, we set s = 9 and solve for t: 9 = t^2 - 8t Rearranging the equation gives t^2 - 8t - 9 = 0 Solving the quadratic equation, we find t = 9 seconds.
104.87 kg
5460 kg.
1.720 kg
1 kg = 2.2 lb1803 lb = 1803/2.2 kg = 819.545454 kg