A $-4\mathrm{.}30$ C

charge is moving at a constant speed of $6\mathrm{.}80105$m$/$s

in the $+$x

$-$direction relative to a reference frame. Part A

At the instant when the point charge is at the origin, what is the magnetic$-$field vector it produces at point x

$=0\mathrm{.}500$ m

$,$ y

$=0,$ z

$=0.$

Enter your answers in teslas separated by commas. Part B

At the instant when the point charge is at the origin, what is the magnetic$-$field vector it produces at point x

$=0,$ y

$=0\mathrm{.}500$ m

$,$ z

$=0.$

Enter your answers in teslas separated by commas. Part C

At the instant when the point charge is at the origin, what is the magnetic$-$field vector it produces at point x

$=0\mathrm{.}500$ m

$,$ y

$=0\mathrm{.}500$ m

$,$ z

$=0.$

Enter your answers in teslas separated by commas. Part D

At the instant when the point charge is at the origin, what is the magnetic$-$field vector it produces at point x

$=0,$ y

$=0,$ z

$=0\mathrm{.}500$ m

$.$

Enter your answers in teslas separated by commas.