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hba

  • one year ago

Is time a vector quantity ?

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  1. Frostbite
    • one year ago
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    Nope.

  2. hba
    • one year ago
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    Explain.

  3. Frostbite
    • one year ago
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    Well how would you do vector addition for time?

  4. hba
    • one year ago
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    My point is that if vector is scalar then how does it move in a direction which is from present to the future.

  5. hba
    • one year ago
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    I also heard that spacetime is a vector quantity.

  6. Frostbite
    • one year ago
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    Time is a scalar quantity... time is not defined by having a direction. it is a bit hard to explain, but if you study Einstein's theory of special relativity detailed you can might give a better explanation than me.

  7. hba
    • one year ago
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    What about the argument have written above that it should have a direction ?

  8. Frostbite
    • one year ago
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    Well you kinda say it your self... it always goes from present to the future... if the vectors of time always have the same direction, then it would be useless to talk about a vector.

  9. hba
    • one year ago
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    @Frostbite So you agree it goes in a certain direction from present to past ? Maybe time travel maybe possible soon you cannot say anything :/

  10. Frostbite
    • one year ago
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    Well time travel you can argue easy against because if you can time travel you violate the law of conservation of energy.

  11. hba
    • one year ago
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    @Frostbite Well,I asked my teacher : Is time a vector quantity and he was like:stop asking me such stupid questions lol :P Well,As soon as we are progressing most of the things are being proved wrong. The latest research says that we can go in the future i guess but not go in the past.

  12. hba
    • one year ago
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    Moreover,If time is a scalar quantity how do we talk about present,past and future ? But we are actually travelling forward in time over a certain rate.

  13. Frostbite
    • one year ago
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    @naveenbabbar What is your idea on this matter?

  14. hba
    • one year ago
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    If we talk about Einstein's theory of special relativity then according to that space time is a vector.

  15. hba
    • one year ago
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    @naveenbabbar Yes ?

  16. hba
    • one year ago
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    @shubhamsrg

  17. shubhamsrg
    • one year ago
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    Will you call current a vector ? It has both direction and magnitude. hmmm??

  18. Frostbite
    • one year ago
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    I would more say as a contravariant of vectors...

  19. hba
    • one year ago
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    @hero

  20. hba
    • one year ago
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    @ajprincess

  21. shubhamsrg
    • one year ago
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    Ofcorse not, reason being current does not follow vector laws of addition and subtraction! A vector is quantity having both direction and magnitude + follows vector laws of addition and subtraction. Hence time is not vector.

  22. hba
    • one year ago
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    But times move in a certain direction ?

  23. hba
    • one year ago
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    time*

  24. shubhamsrg
    • one year ago
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    CURRENT ALSO MOVES , why dont you compare with that ?

  25. hba
    • one year ago
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    But,Vector is defined as something which has a certain direction and magnitude.

  26. shubhamsrg
    • one year ago
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    AND FOLLOWS VECTOR LAWS OF ADDITION..that is very important! ->current is not a vector since it does not follow that addition law<-

  27. hba
    • one year ago
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    So a vector should follow the laws of addition ?

  28. hba
    • one year ago
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    Otherwise,It is not a vector.

  29. shubhamsrg
    • one year ago
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    Yes,,

  30. hba
    • one year ago
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    Ok thanks :) How is spacetime a vector quantity then ?

  31. shubhamsrg
    • one year ago
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    Is it ?

  32. Frostbite
    • one year ago
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    Becuase you think of it as dimension... how ever it is wrong... space time is not a vector quantity either.

  33. hba
    • one year ago
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    Okay thanks a lot @Frostbite @shubhamsrg

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