A 958-N Rocket Is Coming in for a Vertical Landing

question 66

Short Answer

A 958-N rocket is coming in for a vertical landing.It starts with a downward speed of 25 m/s and must reduce its speed to 0 m/s in 8.0 s for the final landing.
(a)During this landing maneuver,what must be the thrust force exerted on the rocket by the expelled gas??
(b)What must be the direction of the engine thrust force?

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