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By how many radians per second is ? changing

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Reference no: EM131071988

A rocket is launched straight up. At t seconds after being launched, its altitude is given by h = 4t^2 metres. You are on the ground 400 metres from the launch site, watching the rocket. The line of sight from you to the rocket makes an angle θ radians with the horizontal. Four seconds after launch, by how many radians per second is θ changing?

Reference no: EM131071988

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