Answer:
Explanation:the atom consists of a tiny nucleus at its center which is surrounded by a moving electrons. The nucleus contains a positively charged proton equal in size with the negatively charged electrons . The nucleus also may contain neutrons which have the same mass with the protons but no charge is neutral.
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Answer:</h3>
[C] Velocity.
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Explanation:</h3>
<u>As we know that</u>,
<u>where, a = acceleration, v = final velocity, u = initial velocity and t = time taken to travel</u>.