What is the change of the total mechanical energy

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Reference no: EM13303838

a ) How much force is needed to increases the velocity of a 5000kg truck from 40 km/h to 70 km/h in 20 s on the horizontal road?

b ) How far does the truck travel in this time?

c ) What is the change of the total mechanical energy?

Reference no: EM13303838

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