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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
27 Oct 2021

Given information

Mass of train =  

efficiency of train =%

velocity of vehicle=  

Step-by-step explanation

Step 1.

velocity is converted from M/h to m/s by multiplying with  

That is  mph= m/s

energy can be calculated by formula 

                     KE=  

                              =  

                              = J

energy required in train = =  

                                   

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