A proton moves through a region containing a uniform electric field given by vec$($E$)=70\mathrm{.}0$hat$($j$)($V$)/($m$)$ and a uniform magnetic field vec$($B$)=(0\mathrm{.}200$hat$($i$)+0\mathrm{.}300$hat$($j$)+0\mathrm{.}400$hat$($k$))$T$.$ Determine the acceleration of

the proton when it has a velocity vec$($v$)=170$i$($m$)/($s$).$

vec$($a$)=$

$($m$)/($s$^(2))$

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