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Frostbite
 one year ago
Best ResponseYou've already chosen the best response.3Well how would you do vector addition for time?

hba
 one year ago
Best ResponseYou've already chosen the best response.0My point is that if vector is scalar then how does it move in a direction which is from present to the future.

hba
 one year ago
Best ResponseYou've already chosen the best response.0I also heard that spacetime is a vector quantity.

Frostbite
 one year ago
Best ResponseYou've already chosen the best response.3Time 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.

hba
 one year ago
Best ResponseYou've already chosen the best response.0What about the argument have written above that it should have a direction ?

Frostbite
 one year ago
Best ResponseYou've already chosen the best response.3Well 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.

hba
 one year ago
Best ResponseYou've already chosen the best response.0@Frostbite So you agree it goes in a certain direction from present to past ? Maybe time travel maybe possible soon you cannot say anything :/

Frostbite
 one year ago
Best ResponseYou've already chosen the best response.3Well time travel you can argue easy against because if you can time travel you violate the law of conservation of energy.

hba
 one year ago
Best ResponseYou've already chosen the best response.0@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.

hba
 one year ago
Best ResponseYou've already chosen the best response.0Moreover,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.

Frostbite
 one year ago
Best ResponseYou've already chosen the best response.3@naveenbabbar What is your idea on this matter?

hba
 one year ago
Best ResponseYou've already chosen the best response.0If we talk about Einstein's theory of special relativity then according to that space time is a vector.

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.2Will you call current a vector ? It has both direction and magnitude. hmmm??

Frostbite
 one year ago
Best ResponseYou've already chosen the best response.3I would more say as a contravariant of vectors...

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.2Ofcorse 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.

hba
 one year ago
Best ResponseYou've already chosen the best response.0But times move in a certain direction ?

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.2CURRENT ALSO MOVES , why dont you compare with that ?

hba
 one year ago
Best ResponseYou've already chosen the best response.0But,Vector is defined as something which has a certain direction and magnitude.

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.2AND FOLLOWS VECTOR LAWS OF ADDITION..that is very important! >current is not a vector since it does not follow that addition law<

hba
 one year ago
Best ResponseYou've already chosen the best response.0So a vector should follow the laws of addition ?

hba
 one year ago
Best ResponseYou've already chosen the best response.0Otherwise,It is not a vector.

hba
 one year ago
Best ResponseYou've already chosen the best response.0Ok thanks :) How is spacetime a vector quantity then ?

Frostbite
 one year ago
Best ResponseYou've already chosen the best response.3Becuase you think of it as dimension... how ever it is wrong... space time is not a vector quantity either.

hba
 one year ago
Best ResponseYou've already chosen the best response.0Okay thanks a lot @Frostbite @shubhamsrg
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