Three 250 μC Charges Are Placed on Tiny Conducting Spheres at at the Ends

question 51

Multiple Choice

Three 2.50 μC charges are placed on tiny conducting spheres at the ends of 1.00 m-long strings that are connected at 120° angles as shown below. The magnitude, in N, of the force on the knot at the center is

• A) 0.
• B) 3.75 × 10−².
• C) 5.63 × 10−².
• D) 6.50 × 10−².
• E) 7.50 × 10−².

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Definitions:

Electron-Pair Acceptor

A chemical entity that readily accepts a pair of electrons from another species to form a covalent bond, also known as a Lewis acid.

Proton Acceptor

A substance that can receive or take up protons (H+ ions), playing a critical role in acid-base reactions.

Curved Arrow Formalism

Curved arrow formalism is a notational system used in organic chemistry to depict the movement of electron pairs during chemical reactions, indicating bond formation and breakage.

Electron Pairs

Refers to two electrons occupying the same orbital in an atom or molecule, usually forming a covalent bond or participating in lone pairs.