A Pendulum Clock Uses a Simple Pendulum as Its Timing

question 77

Multiple Choice

A pendulum clock uses a simple pendulum as its timing device. The clock is correct at noon. The next day, when the clock reads noon, the actual time is 11:50 a.m. What is the fractional change in pendulum length that must be made so the clock runs at the correct rate?

• A)1.40% longer
• B)16.7% longer
• C)0.699% longer
• D)0.699% shorter
• E)2.84% longer

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Definitions:

Acetyladehyde Dehydrogenase

An enzyme in the body that helps break down alcohol into acetic acid, playing a crucial role in alcohol metabolism.

Physiological Effects

The body's responses and changes in function due to various stimuli, such as medications, exercise, or psychological stress.

Alcohol Use

The consumption of beverages containing ethanol, ranging from light drinking to heavy alcohol use, which can affect physical and mental health.

Antabuse

Disulfiram, a drug that is used to make the experience of drinking extremely aversive. It blocks the action of the metabolizing enzyme acetaldehyde dehydrogenase, resulting in a build-up of acetaldehyde in the body. Like people who naturally lack this enzyme, people who drink alcohol after taking Antabuse experience increased heart rate, nausea, vomiting, and other unpleasant effects.