Aπ_ ("pi-minus") particle, which has charge _e, is at location ‹ 4.00 10-9, -3.00 10-9, -6.00 10-9 › m. what is the electric field at location < -3.00 10-9, 2.00 10-9, 4.00 10-9 > m, due to the π_ particle?