The Sun Radiates Electromagnetic Energy at the Rate of 3

question 64

Multiple Choice

The Sun radiates electromagnetic energy at the rate of 3.92 × 10²⁶ W. The mass of the Sun is 1.99 × 10³⁰ kg. What fraction of the Sun's mass is lost during a human lifetime of 75 years?

• A) 2.16 × 10^-13
• B) 1.42 × 10^-14
• C) 6.90 × 10^-14
• D) 5.18 × 10^-12
• E) 8.63 × 10^-14

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Definitions:

Treasury Bills

Short-term government securities issued at a discount from the par value and pay no interest, maturing in a year or less.

Portfolio

A collection of investments held by an individual or institution, which may include stocks, bonds, real estate, and other financial assets.

Indifference Curves

Graphical representations in economics showing different bundles of goods between which a consumer is indifferent, reflecting preferences of equal utility.

Budget Line

A graphical representation of all possible combinations of two goods that an individual can afford to purchase with a given budget, at given prices.