Solve the Problem $\frac { 2 } { 3 }$ As Many Vibrations as in the Previous Second

question 65

Multiple Choice

Solve the problem.
-After being struck with a hammer, a gong vibrates 20 vibrations in the first second and in each second thereafter makess $\frac { 2 } { 3 }$ as many vibrations as in the previous second. Find how many vibrations the gong makes before it
Stops vibrating.

• A)30 vibrations
• B)70 vibrations
• C)25 vibrations
• D)60 vibrations

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Definitions:

Easy Temperament

A temperament characterized by a positive mood, regular bodily functions, and adaptability; children with this temperament generally show low or moderate intensity of reaction and a high level of self-regulation.

Difficult Temperament

A behavioral profile in children characterized by high reactivity, poor adaptability, and a tendency toward negative emotions.

Quiet Infant

A term referring to a baby who is typically less vocal or active, displaying calmness and minimal fussiness.

Cautious

Characterized by careful forethought to avoid potential harm or errors; prudent.