Find the speed of the command module relative to earth

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Reference no: EM13303080

A space vehicle is traveling at 3760 km/h relative to Earth when the exhausted rocket motor is disengaged and sent backward with a speed of 79 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: EM13303080

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