Quantity of Heat: a 905-G Meteor Impacts the Earth at a Speed

question 72

Multiple Choice

Quantity of heat: A 905-g meteor impacts the earth at a speed of 1629 m/s. If all of its energy is entirely converted to heat in the meteor, what will be the resulting temperature rise of the meteor, assuming it does not melt? The specific heat for the meteor material is 472 J/kg ∙ K, which is about the same as that of iron.

• A) 2810°C
• B) 2,540,000°C
• C) 3.10°C
• D) 11,700°C

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Definitions:

Current Flow

The movement of electric charge through a conductor, typically measured in amperes.

Series Circuit

An electrical circuit in which components are connected end-to-end, forming a single path for current flow.

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A clothing item knitted from wool yarn, known for its warmth and moisture-wicking properties.

Magnetomotive Force

The force that drives magnetic flux through a magnetic circuit, analogous to electromotive force in an electrical circuit.