Question 17 of 25 What is a solution? O A. A liquid that contains solid particles unevenly distributed throughout it OB. A mixture that has the same composition throughout O C. Any combination of a liquid and a solid O D. A mixture in which the parts are chemically combined​

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?