Suppose that a 59 kg boy and a 48 kg girl rode a car. They a traveled a 9 km distance. In 5.4 s, their speedometer changed from 30 to 60 kph. After their trip, they consumed 3 L of fuel. What is the efficiency of the car if it has a mass of 3760 kg, density of fuel = 719.7 kg/m3, heat of com
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Suppose that a 59 kg boy and a 48 kg girl rode a car. They a traveled a 9 km distance. In 5.4 s, their speedometer changed from 30 to 60 kph. After their trip, they consumed 3 L of fuel. What is the efficiency of the car if it has a mass of 3760 kg, density of fuel = 719.7 kg/m3, heat of combustion of fuel = 37.21 MJ/kg.
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