How Far Away Is a Lightning Strike If You Hear

question 3

Multiple Choice

How far away is a lightning strike if you hear the thunderclap 2.00 s after you see the lightning bolt strike? (v_sound = 340 m/s, v_light = 3 *10⁸ m/s)

• A) 113 m
• B) 340 m
• C) 680 m
• D) 1020 m

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Definitions:

Methylpropane

Methylpropane, also known as isobutane, is a branched-chain alkane with the formula C4H10, used as a refrigerant and a propellant in aerosols.

Molecular Formula

A representation of the types and numbers of atoms present in a molecule, showing the exact composition of that molecule.

Branched Alkanes

Hydrocarbons that contain a main chain of carbon atoms with one or more side chains or branches, affecting their physical and chemical properties.

Linear Alkanes

Alkanes that consist of carbon atoms arranged in a straight chain, without any branches.