A Pair of Observers Moving Relative to One Another Will

question 43

Multiple Choice

A pair of observers moving relative to one another will always agree upon all but which of the following?

• A) the speed of light
• B) their respective masses
• C) whether two events are simultaneous
• D) their relative velocity
• E) the relativistic factor gamma that links their reference frames

---

Definitions:

Credit Purchase

The acquisition of goods or services with an agreement to pay later, usually within an agreed period.

Recorded

The act of entering financial transactions into the accounting records of a business.

Bill Paid

An event where an obligation, often recorded as an accounts payable, is settled by paying the outstanding amount.

Accounts Receivable

Customer indebtedness to a company for the provision of goods or services that remain unpaid.