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NISA [10]
3 years ago
7

A proton is fired toward a lead nucleus from very far away. How much initial kinetic energy does the proton need to reach a turn

ing point 10 fm from the nucleus?
Chemistry
1 answer:
Olegator [25]3 years ago
6 0

Answer:

The electric force is conservative.

Since

ΔK = −ΔU,

Kf − Ki =Ui −Uf.

We have,

Kf = 0

Ui = 0.

Thus Ki =Uf.

<u>so ,at 10 fm Uf = (2×10)−12 J.</u>

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