Determine the speed of the command module

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Reference no: EM13304741

A space vehicle is traveling at 3570 km/h relative to Earth when the exhausted rocket motor is disengaged and sent backward with a speed of 74 km/h relative to the command module. The mass of the motor is four times the mass of the module. What is the speed (in km/h) of the command module relative to Earth just after the separation?

Reference no: EM13304741

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