Acar covers 72 kilometers in the first hour of its journey. in the next hour, it covers 90 kilometers. what is the amount of work done by the car? the total mass of the car, including its passengers, is 2.5 × 103 kilograms.
a. 2.8 × 105 joules
b. 4.0 × 105 joules
c. 5.1 × 105 joules
d. 2.8 × 106 joules
e. 2.8 × 107 joules
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