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Concept question aan electrical automobile traviling at a constant speedtake successively the following two item as your system (a)only the electric mottor (including the battry)

Concept question aan electrical automobile traviling at a constant speedtake successively the following two item as your system (a)only the electric mottor (including the battry) (b) the whole carDetermin(i) if the system is open, close or isolated

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