Mathematics, 23.04.2020 08:02 sanfordl

The height of a model rocket is given (in centimeters) by the formula h = 490t2 , where t is measured in seconds and h = 0 refers to its original height at the top of a mountain. It begins to fly down from the mountaintop at time t = 0. When has the rocket descended 490 centimeters?

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The height of a model rocket is given (in centimeters) by the formula h = ­490t2 , where t is measured in seconds and h = 0 refers to its original height at the top of a mountain. It begins to fly down from the mountaintop at time t = 0. When has the rocket descended 490 centimeters?

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The height of a model rocket is given (in centimeters) by the formula h = 490t2 , where t is measured in seconds and h = 0 refers to its original height at the top of a mountain. It begins to fly down from the mountaintop at time t = 0. When has the rocket descended 490 centimeters?