A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 5.0 10-23 kg m/s from 1.4 10-23 kg m/s in a time of 6.5 10-6 s. What is the magnitude of the electric field?

Question

A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 5.0  10-23 kg m/s from 1.4  10-23 kg m/s in a time of 6.5  10-6 s. What is the magnitude of the electric field?

bobpursley · Answer

Impulse = change in momentum coulomb force*time=changemomentum Eq*time= changemomentum solve for E