You Put One Ear on a Steel Railroad Track While

question 44

Multiple Choice

You put one ear on a steel railroad track while your friend a distance of 400 m away taps on the rail with a stone.You will hear the sound through the steel rail in _________ and through the air where the speed of sound is 344 m/s in _______.

• A)0.08 s
• B)0.5 s
• C)1.2 s
• D)2.4 s

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Definitions:

Play Out

The act of engaging in play or allowing a situation to develop naturally over time without interference.

Fears

Emotions experienced in anticipation of some specific pain or danger, often accompanied by an urge to flee or fight.

Authoritative Parent

A parenting style characterized by high expectations and support, combining responsiveness with clear guidelines and boundaries.

Limits

Boundaries established to define acceptable behaviors or to protect safety and well-being.