An Observer Is Moving in Space Toward a Distant Star

question 89

Multiple Choice

An observer is moving in space toward a distant star at 100 km/s while the star is moving toward the observer at 250 km/s;the relative velocity being 350 km/s of approach.What relative change in frequency of the light from the star as seen by the observer? (The speed of light in space is 3.00 × 10⁵ km/s) .

• A) 0.12% increase
• B) 0.12% decrease
• C) 0.039% increase
• D) 0.35% decrease
• E) ​0.35% increase

Understand the concept of normal distribution.

Calculate probabilities for specified values within a normal distribution.

Determine cutoff points based on specific percentage criteria within a normal distribution.

Understand the impact of changing mean values on normal distribution and calculations.

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Definitions:

Proportional Tax Rate

A tax system where the tax rate is constant regardless of the amount subject to tax.

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Written decisions by the Internal Revenue Service (IRS) in response to taxpayers' requests for guidance on the tax implications of their specific transactions or events.

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Compensation received by employees for services performed. Usually, wages are computed by multiplying an hourly pay rate by the number of hours worked.

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Gratuity given voluntarily by customers in exchange for a service, often subject to specific reporting and taxation rules.