A 5.00x10^4 kg space probe is traveling at a speed of 15000 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.00x10^5 N over a distance of 2700 km. What is the final speed of the probe?|||Work = Force * distance
That is equal to the change in kinetic energy. Calculate the initial KE, subtract off the work done, set that equal to final KE.
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