In the past decades, coal was used to heat the engine of a steam locomotive. With the engine, a steam locomotive can beaccelerated to a desired speed. Calculate the efficiency of the steam engine, when the calorific value of coal isMJH = 27.9000 M, velocity of the m, = 115 t weighted locomotive is v = 93 km . Amount of coal used is mc =11 kgkgWhat is the amount of heat?MJQWhat is the kinetic energy?EkMJWhat is the efficiency?n=H=Constant Value UnitMJ27.9000kgSymbolHmcMvQuantitycalorific valuemass of the coalmass of locomotivevelocityamount of heatkinetic energyefficiencyVQEknUnitMJkgkgtkmhMJMJInput instructionHm_cm_vVQE_keta

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