A 230-Kg Mass Is Suspended from the Ceiling and a 1

question 52

Multiple Choice

A 2.30-kg mass is suspended from the ceiling and a 1.70-kg mass is suspended from the 2.30-kg mass, as shown. The tensions in the strings are labeled and .
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Use this exhibit to answer the following question(s) .
-The string supporting the 1.70-kg mass is cut. The magnitudes of the tension in string 1 before and after string 2 is cut are

• A) = 22.5 N; = 5.80 N.
• B) = 39.2 N; = 5.80 N.
• C) = 22.5 N; = 22.5 N.
• D) = 39.2 N; = 22.5 N.
• E) = 39.2 N; = 39.2 N.

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Definitions:

C-H Bond(s)

The chemical bond between a carbon atom and a hydrogen atom, fundamental to the structure of all organic molecules.

Electronegativity Difference

A measure of the ability of an atom in a molecule to attract electrons to itself compared to another atom.

H-Se Bonds

Bonds between hydrogen and selenium atoms, often found in organoselenium compounds and playing roles in some enzymes.

Electronegativity Difference

The measure of the tendency of an atom to attract a bonding pair of electrons towards itself when bonded with another atom.