A Giant Star in Another Galaxy Exploded 67 Million Years

question 24

Multiple Choice

A giant star in another galaxy exploded 67 million years ago, forming a supernova. The event is observed by an astronomer on Earth. Estimate the speed at which the supernova (and its galaxy) recedes from Earth if the Hubble constant is 22 km/s per million light-years. (c = 3.00 × 10⁸ m/s, 1 ly = 9.461 × 10¹⁵ m, 1 y = 3.156 × 10⁷ s)

• A) 1200 km/s
• B) 670 km/s
• C) 1500 km/s
• D) 2700 km/s
• E) 4700 km/s

Understand the distinction between physical time and psychological time.

Identify situational effects on consumer behavior beyond the product's physical attributes.

Understand how situational factors influence the receptiveness to marketing messages.

Differentiate between types of time in understanding consumer behavior.

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Definitions:

Revolving Credit Agreement

A financial arrangement allowing a borrower to withdraw, repay, and reborrow funds up to a specified credit limit.

Legal Obligation

A duty, established by law, contract, or agreement, which requires an entity or individual to perform or refrain from performing a certain action.

Depreciation

The reduction in the value of an asset over time, due in particular to wear and tear, typically used for tax and accounting purposes.

Noncash Charge

An expense reported in the income statement of a company that does not involve actual cash flow, such as depreciation or amortization.