A Grandfather Clock Keeps Time Using a Pendulum Whose Length

question 55

Multiple Choice

A grandfather clock keeps time using a pendulum whose length is finely adjustable. If you have a grandfather clock that is running fast, should you shorten or lengthen the pendulum?

• A) Shorten it
• B) Lengthen it
• C) You should reduce its mass
• D) You should add mass to it

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Definitions:

CPI

A measurement known as the Consumer Price Index tracks the change in average costs for a variety of consumer goods and services, including but not limited to transportation, medical care, and food, through a weighted average formula.

Basket of Goods

A selected set of products and services used to measure changes in prices and inflation over time.

Deflation

A decrease in the general price level of goods and services, often indicative of a reduction in the supply of money or credit in the economy.

Real Interest Rate

The interest rate recalibrated to factor in inflation, showcasing the real expense of borrowing or the legitimate profit from saving.