Compute each part of given problem:

Problem: To initiate a nuclear reaction, an experimental nuclear physicist wants to shoot a proton into a 5.50-fm-diameter 12C nucleus. The proton must impact the nucleus with a kinetic energy of 2.82MeV. Assume the nucleus remains at rest. I know you have to do conservation of energy. K+U=K+U

Part A: With what speed must the proton be fired toward the target?

Part B: Through what potential difference must the proton be accelerated from rest to acquire this speed?

Please include each step and the equations you used. Thank you!