If K_i and 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

If K_i and K_f are the initial and final values of kinetic energy of a

1.	If K_i and 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
Answer» `(K_f K_i)/(K_f - K_i)` `K_f + K_i` `(K_f + K_i)/2` `K_f - K_i` SOLUTION :ACCORDING to WORK energy theorem `W = K_f - K_i`.