Uniform electric (E = 1000 V / m) and magnetic (H = 1000 A / m) field have the same direction. Determine the normal and tangential acceleration of the proton at the time of entry of it in these fields at a rate of 8 x 10 5 m / s in two cases: 1) the proton velocity coincides with the direction of the fields: 2) proton velocity perpendicular to the field.

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