A Simple Pendulum and a Mass Oscillating on an Ideal

question 25

Multiple Choice

A simple pendulum and a mass oscillating on an ideal spring both have period T in an elevator at rest.If the elevator now accelerates downward uniformly at 2 m/s²,what is true about the periods of these two systems?

• A)Both periods would remain the same.
• B)Both periods would increase.
• C)Both periods would decrease.
• D)The period of the pendulum would increase but the period of the spring would stay the same.
• E)The period of the pendulum would decrease but the period of the spring would stay the same.

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Definitions:

Acetyl-CoA

An important metabolic intermediate that links glycolysis and the citric acid cycle, involved in energy production and synthesis of fatty acids.

Aerobic Respiration

A metabolic process involving oxygen in the breakdown of glucose or other nutrients to produce energy (ATP), carbon dioxide, and water, taking place in the mitochondria of cells.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water, producing oxygen as a byproduct.

Carbon Dioxide

An invisible, scentless gas that is a product of combusting carbon-based substances and breathing processes, which is utilized by plants during the photosynthesis.