Detail explanations needed As possible Q If - Physics - Magnetism And Matter

Question

Detail explanations needed As possible

Q If K i   a n d   K f are the initial and final values
of kinetic energy of a body respectively, then the work done by the
net force on the body is equal to

a         K f K i K f   -   K i
                 
                 
          b        
    K f   +   K i ( c )      
    K f   +   K i 2        
                 
                  ( d
)           K f   -   K i

Sanjay Singh · Accepted Answer

Dear student
<img alt="" src=
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Regards

Detail explanations needed.... As possible... Q. If K i a n d K f are the initial and final values of kinetic energy of a body respectively, then the work done by the net force on the body is equal to a K f K i K f - K i b K f + K i ( c ) K f + K i 2 ( d ) K f - K i