When a Weight W Is Hanging from a Light Vertical

question 38

Multiple Choice

When a weight W is hanging from a light vertical string,the speed of pulses on the string is V.If a second weight W is added without stretching the string,the speed of pulses on this string will now become

• A)2V.
• B) V.
• C)V.
• D)V/ .
• E)V/2

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Definitions:

Ionic Bond

A chemical bond formed between two ions with opposite charges, where one atom donates an electron to another, leading to an attraction between the ions.

Covalent Bond

A strong chemical bond where two atoms share a pair of electrons to achieve a fuller outer shell of electrons.

Hydrogen Bond

A weak chemical bond between an electronegative atom, like oxygen or nitrogen, and a hydrogen atom bound to another electronegative atom, contributing to the structure and properties of molecules.

Atoms

The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, with electrons orbiting around them.