Often times during volcano eruptions the clouds have largestatic charge buildups that cause lightning to happen. If a rock isejected by the volcano and it flies to a height of 1795 m, and theclouds have a charge concentration of +40.0 C at a height of 3400 mand ?40.0 C at a height of 1000 m, what is the electric field atthe ejected rock?
| magnitude    | 1 N/C |
| direction    | 2---Select---downwardupward |
