The change in kinetic energy of the proton is 4.8 x 10⁻²⁰.
Change in kinetic energy of the proton
The change in kinetic energy of the proton is calculated as follows;
ΔK.E = W = eV
where;
- V is the potential difference
- e is charge of electron
V = Ed
V = 3 V/m x 0.1 m = 0.3 V
ΔK.E = 1.6 x 10⁻¹⁹ x 0.3 = 4.8 x 10⁻²⁰ J
Thus, the change in kinetic energy of the proton is 4.8 x 10⁻²⁰ J.
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