A velocity selector uses a 1.0T magnetic field to select protons traveling at 2.0 × 106m/s. Please indicate how strong E needs to be. Also draw a picture of both E and B (with orientations indicated) that will work for a proton which enters the right side of the velocity selector and exits the left.

A velocity selector uses a 1.0T magnetic field to select protons traveling at 2.0 × 106m/s. Please indicate how strong E needs to be. Also draw a picture of both E and B (with orientations indicated) that will work for a proton which enters the right side of the velocity selector and exits the left.