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Mathematics, 05.05.2020 11:41 k211

Jivesh is analyzing the flight of a few of his model rockets with various equations. In each equation, h is the height of the rocket in centimeters, and the rocket was fired from the ground at time t = 0, where t is measured in seconds.

For Jivesh's Model A rocket, he uses the equation h = βˆ’90t^2 + 240t. When is the height of the Model A rocket 160 centimeters? Round your answers to the nearest hundredth.

After t β‰ˆ [] seconds, the rocket will have reached a height of 160 centimeters.

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