A electron moves through a uniform magnetic field given by `vec(B)=B_(x) hat(i)+(3B_(x))hat(j)`. At a particular instant, the el

A electron moves through a uniform magnetic field given by `vec(B)=B_(x) hat(i)+(3B_(x))hat(j)`. At a particular instant, the electron has the velocity `vec(v)=(2.0 hat(i) +4.0 hat(j))m//s` and magnetic force acting on it is `(6.4 xx 10^(-19)N)hat(k)`. Find `B_(x)`.

A electron moves through a uniform magnetic field given by `vec(B)=B_(x) hat(i)+(3B_(x))hat(j)`. At a particular instant, the electron has the velocit

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