A body of mass `m=10^(-2) kg`  is moving in a medium and experiences a
Channel: Doubtnut
Date: 26/07/2020

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 be