A wire has a uniform current density of 2 Amp/m^2 flowing through it. The radius of the wire is 1 cm. What fraction of the total current flows through the wire from the center out to a radius of 0.2 cm?

unbalanced force

explanation:

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods