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A body of mass m= 10 ^(-2) Kg is mo...

A body of mass `m= 10 ^(-2) ` Kg is moving in a medium and experices a frictional force `F=- Kv^(2) ` . Its initial speed is ` V_(0)= 10 m.s^(-1)` if after 10 s , its energy is `(1)/(8) mv_(0)^(2) ` , the value of K will be

A

`10 ^(-3) Kg . M^(-1)`

B

`10 ^(-3) Kg . S^(-1)`

C

`10 ^(-4) Kg. m^(-1)`

D

`10 ^(-1) Kg . M^(-1) .s^(-1)`

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