Solve the Problem $1.6 \mathrm { sec }$ For A $0.64 \mathrm {~m}$

question 185

Multiple Choice

Solve the problem.
-The period of a pendulum is the length of time required to complete one swing back and forth. The period varies directly as the square root of the length of the pendulum. If it takes $1.6 \mathrm { sec }$ for a $0.64 \mathrm {~m}$ pendulum to complete one period, what is the period of a $1.21 \mathrm {~m}$ pendulum?

• A) \(2.6 \mathrm { sec }\)
• B) \(3 \mathrm { sec }\)
• C) \(2.2 \mathrm { sec }\)
• D) \(0.5 \mathrm { sec }\)

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Definitions:

Itch Sensation

A discomforting, irritation sensation on the skin that provokes the desire or reflex to scratch.

Primary Motor Cortex

The region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.

Frontal Lobe

The part of the brain located at the front of each cerebral hemisphere, responsible for motor function, problem solving, spontaneity, memory, language, initiation, judgement, impulse control, and social and sexual behavior.

Parietal Lobe

A region of the brain located behind the frontal lobe, responsible for processing sensory information such as touch, pain, and spatial orientation.