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:

Gini Ratio

A numerical measure of the overall dispersion of income among households, families, or individuals; found graphically by dividing the area between the diagonal line and the Lorenz curve by the entire area below the diagonal line.

Income Inequality

The uneven allocation of income among households or individuals within an economic system.

Lorenz Curve

A graphical representation of the distribution of income or wealth within a society, indicating inequality.

Noncash Transfers

Benefits provided by the government to individuals in forms other than direct cash, such as food stamps or medical aid.