- #1
aptiva
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A subatomic particle moving at a speed of 5.5*10^7 m/s has a life of 3.1*10^-5 seconds. what is the lifetime of this aprticle when it is at rest? ...does anyone know what formula i would use to solve this one?
What is the lifetime of a subatomic particle at rest?
- Thread starter aptiva
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In summary, the conversation is about a subatomic particle with a speed of 5.5*10^7 m/s and a life of 3.1*10^-5 seconds. The question is what is the lifetime of the particle when it is at rest and what formula should be used to solve it. The conversation also touches on the topic of relativity and the difficulty of understanding it. One person suggests using a formula involving time dilation in special relativity. Another person accuses someone of copying and pasting a message from another thread and of having an identity crisis. Someone else makes inappropriate comments and uses improper grammar. The conversation ends with a call for moderators to take action.
- #2
vincentchan
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this is the most basic problem in relativity... are you having a hard time understanding relativity or you just can't figure out how to do this problem...
relativity usually puts in a advance physics class. since you are learning relativity now, i believe you have already suffer through the classical mechanic and electrostatic and thermal physics those basic stuff... and you have already develope a skill to deal with physics problems. This problem is not tricky at all. plug the number in appropiate formulas and the answer will shown up instantly... if you really can't do this problem, at least show me some of your work or let me know which part you stuck in...
relativity usually puts in a advance physics class. since you are learning relativity now, i believe you have already suffer through the classical mechanic and electrostatic and thermal physics those basic stuff... and you have already develope a skill to deal with physics problems. This problem is not tricky at all. plug the number in appropiate formulas and the answer will shown up instantly... if you really can't do this problem, at least show me some of your work or let me know which part you stuck in...
- #3
hype_chicky
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i dunt understand the question the only thing i can find in the textbook is that rest mass is the mass measured at rest to the observer and that in the equation p= mv/ square root 1-v^2/c^2 m is what the rest mass is but i dunt understand how to apply the equation
- #4
- 13,352
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Vincentchan,did u copy-pasted the message from the other thread??It looks remarkably similar... 
To the OP:Do you know any formula involving time dilation in special relativity?
Daniel.
To the OP:Do you know any formula involving time dilation in special relativity?
Daniel.
- #5
vincentchan
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dex.. aptiva and chicky is the same person... and he posts these 3 problems in 5 to 6 different places in this forum...
- #6
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So we're dealing with an identity crisis,huh?
Daniel.
Daniel.
- #7
iodmys
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Someone should tell this retard that "dunt" is spelled "don't" or "do not" and that "I's" should be capitalized.
- #8
hype_chicky
- 34
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all u nerds shud...das right SHUD not SHOULD kiss my ass
- #9
iodmys
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Where are the moderators? Seriously, this person needs to be dealt with. Why not remove the entire thread?hype_chicky said:
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