A body of mass `m=10^(-2) kg` is moving in a medium and experiences a frictional force `F=-Kupsilon^(2).` Its initial speed is `upsilon_(0)=10ms^(-2)`. If , after `10s`, its energy is `(1)/(8)m upsilon_(0)^(2)`, the value of `k` will beA. `10^(-1)kgm^(-1)s^(-1)`B. `10^(-3)kgm^(-1)`C. `10^(-3)kgs^(-1)`D. `10^(-4)kgm^(-1)`

A body of mass `m=10^(-2) kg` is moving in a medium and experiences a

1.	A body of mass `m=10^(-2) kg` is moving in a medium and experiences a frictional force `F=-Kupsilon^(2).` Its initial speed is `upsilon_(0)=10ms^(-2)`. If , after `10s`, its energy is `(1)/(8)m upsilon_(0)^(2)`, the value of `k` will beA. `10^(-1)kgm^(-1)s^(-1)`B. `10^(-3)kgm^(-1)`C. `10^(-3)kgs^(-1)`D. `10^(-4)kgm^(-1)`
Answer» Correct Answer - D

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