A locomotive of mass 80 tonne hauls 11 coaches each has a, Physics

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A locomotive of mass 80 tonne hauls 11 coaches each has a

A Locomotive of mass 80 tonne, hauls 11 coaches each has a mass of 20 tonne up an incline of 1 in 80. The frictional resistance to motion is 50 N/tonne. If the train accelerates from 36 to 72 km/h in a distance of 1600m, determine the :

A. The change in potential energy of the train

B. The change in kinetic energy

C. The work done against frictional resistance

D. The total mechanical energy required.

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Physics: A locomotive of mass 80 tonne hauls 11 coaches each has a

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