At the Earth's Surface, the Intensity of Solar Radiation Is

question 9

Multiple Choice

At the Earth's surface, the intensity of solar radiation is approximately 1000 W/m². At a latitude of 44.5 degrees north, when the Sun is highest in the sky on the winter solstice, the Sun's rays are incident at an angle of 68.0 degrees from the vertical. What power is incident upon a 1.00 m × 1.50 m window in a vertical, south-facing wall at this time?

• A) 1390 W
• B) 927 W
• C) 562 W
• D) 375 W

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Definitions:

After-tax Proceeds

The net amount received after taxes are deducted from the gross proceeds of a sale or transaction.

Tax Shield

A deduction allowed by the tax laws that lowers a person's or corporation's taxable income and thus their tax liability.

Incremental Cash Flow

Those cash flows that arise solely from the asset that is being evaluated.

Present Value

The current valuation of upcoming cash flows or a lump sum of money, discounted at an established rate of return.