If the Spectrum of a Distant Galaxy Is Observed to Have

question 44

Multiple Choice

If the spectrum of a distant galaxy is observed to have a calcium K absorption line that occurs at a wavelength of 500.4 nm,what is this galaxy's distance if the rest wavelength of this absorption line is 393.4 nm? Assume a Hubble constant of 72 km/s/Mpc.

• A) 950 Mpc
• B) 1,800 Mpc
• C) 2,300 Mpc
• D) 1,130 Mpc

Identify suitable therapeutic interventions and activities to promote mental health and resocialization among the elderly.

Grasp the necessity of focused and comprehensive health assessments for elderly patients due to sensory declines and potential cognitive impairments.

Understand the risk factors and assessment strategies for suicidal ideation in elderly patients.

Comprehend the legal and ethical considerations in elderly care, including advance directives and durable power of attorney for health care.

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Definitions:

Normal Good

A product whose demand increases as consumer income rises, indicating a direct relationship between income and demand for the good.

Income Effect

The change in an individual's or economy's consumption patterns resulting from a change in real income.

Substitution Effect

The financial concept stating that when prices increase or incomes drop, individuals will substitute higher-priced goods with more affordable options.

Normal Goods

Goods for which demand increases as the income of consumers increases, and falls when consumer income decreases.