(a) As the lander is descending, if the pilot decides to shut down the engine when the lander is at

(a) As the lander is descending, if the pilot decides to shut down the engine when the lander is at a height of 2.2 m, (this may not be a safe height to shut down the engine) and the velocity of the lander (relative to the surface of the planet) is 1.6 m/s what will be velocity of the lander at impact

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