[填空题]
(a) How much work is9e87 yd.wndf-f8eo nt6mgo. x reqe7gvs3a 38fnvoi7el:uired to accelerate a proton from rest up to a speed of 0.997c? ev3 :73vfl7 eon8iasg W = GeV
(b) What would be the momentum of this proton?p = $ \times 10^{-18} \, \text{kg·m/s}$