A locomotive of mass m starts moving so that its velocity varies as v= K sqrts, where K is a constant and 's' is the distance traversed. The total work done by all the forces acting on the locomotive during the first t second after the start of motion is

A locomotive of mass m starts moving so that its velocity varies as v=

1.	A locomotive of mass m starts moving so that its velocity varies as v= K sqrts, where K is a constant and 's' is the distance traversed. The total work done by all the forces acting on the locomotive during the first t second after the start of motion is
Answer» `(1)/(2) mK^(4)t^(2)` `(1)/(4) mK^(4)t^(2)` `(1)/(8) mK^(4) t^(2)` `(1)/(6) mK^(4) t^(2)` ANSWER :C