A Boxcar Without a Front or a Back Is Moving

question 31

Multiple Choice

A boxcar without a front or a back is moving toward the right.Two electrons move through the boxcar,one moving from back to front toward the right,the other moving from front to back toward the left.According to me,each electron is moving with a speed of 0.8c,and the boxcar is moving with a speed of 0.6c.A passenger in the boxcar records how long it takes each electron to pass from one end of the boxcar to the other end.According to the passenger,which took longer?

• A)the electron going from back to front
• B)the electron going from front to back
• C)They both took the same time.
• D)Since nothing can go faster than light,an electron cannot move toward the left with a speed of 0.8c through a boxcar moving toward the right with a speed of 0.6c.

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Definitions:

Acid-test Ratio

A financial metric that measures a company's ability to pay off its current liabilities with its quick assets, providing insight into its short-term liquidity without relying on inventory assets.

Current Liabilities

Short-term financial obligations that are due within one year or within the normal operating cycle of the business, whichever is longer.

Inventory

Inventory consists of goods and materials a business holds for the ultimate purpose of sale, production, or utilization.

Payout Ratio

Measures the percentage of earnings distributed in the form of cash dividends; computed by dividing cash dividends declared on common stock by net income.