How Far Away Is a Lightning Strike If You Hear

question 19

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:

Prognosis

A medical judgment regarding the likely course and outcome of a disease or ailment.

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The predicted outcome or forecast of the progression of a disease or disorder, including chances of recovery.

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the likelihood or chances of making a full or partial recovery from an illness or injury.

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