A constant electric field directed along the positive x-axis has a strength of 3.4 103 N/C. The mass of the proton is 1.6726 1027 kg and the fundamental charge is 1.602 1019 C .

Find the electric force exerted on a proton by the field. Answer in units of N.

Find the acceleration of the proton. Answer in units of m/s 2 .

Find the time required for the proton to reach a speed of 1.58 106 m/s, assuming it starts from rest. Answer in units of s.