Simple Think Critically and Explain Question

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Homework Help Overview

The discussion revolves around a label on a household product that mentions "tiny electrically charged particles moving at the speeds of 10000000 km per hour." Participants are exploring whether this label should be a cause for concern, engaging with concepts from physics, particularly regarding atomic structure and particle motion.

Discussion Character

  • Exploratory, Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Some participants question the implications of the label, with one suggesting it sounds unstable and another noting that all matter contains fast-moving charged particles, specifically electrons. There is also a discussion about the classical versus quantum mechanical view of electrons and their motion.

Discussion Status

Participants are actively engaging with the topic, offering different perspectives on the nature of electrons and their speeds. There is a mix of interpretations regarding the potential risks associated with the label, and some guidance is provided on the distinction between classical and quantum descriptions of particle behavior.

Contextual Notes

There is mention of a misunderstanding regarding the relationship between electron speed and thermal energy, with participants reflecting on how heating affects atomic structure. The discussion highlights the complexity of interpreting scientific claims in everyday contexts.

emma123
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Think and Explain

Is this label on a household product cause for concern? "Caution: This product contains tiny electrically charged particles moving at the speeds of 10000000 km per hour"

can someone please help me with this problem I would appreciate it Thanks!:smile:
 
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It sounds unstable, put a mr. yuck sticker on it cause it might blow up.
 
everything contain s tiny electrically charged particles moving at high speed. They're called electrons and belong to atoms.
 
emma123 said:
Think and Explain

Is this label on a household product cause for concern? "Caution: This product contains tiny electrically charged particles moving at the speeds of 10000000 km per hour"

can someone please help me with this problem I would appreciate it Thanks!:smile:

Using a classical picture of the atoms (as little point electrons moving in orbits around nuclei) one finds that the speed they are moving at would be several millions of km/h. So *everything* contains little charged particles moving at millions of km/h, including your own body! So no cause to worry. (again, this is really not correct as quantum physics reveal that it is incorrect to think of electrons as being little particles moving around the nuclei like planets around the Sun...)

Patrick
 
My bad, for some reason when i saw that problem, i just thought if the electrons move fast enough the object will melt. Like when you heat up a piece of metal, the electrons move faster and faster breaking the structure.:blushing:
 
mr_coffee said:
My bad, for some reason when i saw that problem, i just thought if the electrons move fast enough the object will melt. Like when you heat up a piece of metal, the electrons move faster and faster breaking the structure.:blushing:

What you were thinking about was thermal energy. In that case, one is talking about the average motion of the *atoms* (or molecules). But even at low temperature, the elctrons are moving very fast (in the classical picture) around the nuclei.
 
Thanks a lot guys for the help:smile:
 

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