An electron moves with velocity vec$(v)=(5\mathrm{.}4i-5\mathrm{.}0j){10}^4\frac{m}{s}$ in a magnetic field vec$(B)=(-0\mathrm{.}90i+0\mathrm{.}55j)T.$

Part A

Part B

Part C

Determine the z$-$component of the force on the electron.

Express your answer using two significant figures.

$F_z=$

N

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