The potential difference between A and B is 5.0 V. A proton starts from rest at A. When it reaches B what is its kinetic energy?
1 answer:
Answer:
total kinetic energy is 8 × J
Explanation:
given data
potential difference = 5 V
e = 1.60 × C
to find out
what is kinetic energy
solution
we will apply here conservation of energy that is
change in potential energy is equal to change in kinetic energy
so
change potential energy is e × potential difference
change potential energy = 1.60 × × 5
change potential energy = 8 × J
so change in kinetic energy = 8 × J
and we know proton start from rest that mean ( kinetic energy is 0 ) so
change in KE is total KE
total kinetic energy is 8 × J
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