Question 620581: A launched rocket has an altitude, in meters, given by the polynomial h+vt-4.9t^2, where h is the height, in meters, from which the launch occurs, at velocity v in meters per second, and t is the number of seconds for which the rocket is airborne. If a rocket is launched from the top of a tower 100 meters high with an initial upward speed of 80 meters per second, what will its height be after 4 seconds? Round to the nearest tenth...
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! A launched rocket has an altitude, in meters, given by the polynomial h+vt-4.9t^2, where h is the height, in meters, from which the launch occurs, at velocity v in meters per second, and t is the number of seconds for which the rocket is airborne. If a rocket is launched from the top of a tower 100 meters high with an initial upward speed of 80 meters per second, what will its height be after 4 seconds? Round to the nearest tenth
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h(t) = -4.9t^2 + 80t + 100
Sub 4 for t
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