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Physics, 14.11.2019 01:31 SweetBriar

On a test flight, a rocket with mass 400 kg blasts off from the surface of the earth. the rocket engines apply a constant upward force f until the rocket reaches a height of 100 m and then they shut off. if the rocket is to reach a maximum height of 400 m above the surface of the earth, what value of f is required? assume the change in the rocket's mass is negligible.

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