/sci/ - Science & Math » Thread #14016879

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Anonymous Mon 27 Dec 01:22:08 2021 No.14016879 View Reply Original Report

Quoted By: >>14016903 >>14017375

https://en.wikipedia.org/wiki/Kinetic_energy

>In classical mechanics, the kinetic energy of a non-rotating object of mass m traveling at a speed v is 1/2mv^2

/sci/ please explain to an uneducated pleb.
How does this work?

Shouldn't kinetic energy just be like mass times velocity?

Anonymous

Anonymous Mon 27 Dec 2021 01:24:14 No.14016883 Report

Quoted By: >>14017323

thats called momentum

Anonymous

Anonymous Mon 27 Dec 2021 01:26:38 No.14016887 Report

Quoted By:

Try what happens to the distance it takes to decelerate from any speed, when you double the speed

Hint: both your average speed and the time it takes to stop, will double = 4x the distance

Anonymous

Anonymous Mon 27 Dec 2021 01:37:43 No.14016903 Report

Quoted By:

>>14016879
OP you really just need to take a physics 101 course or read a textbook

Anonymous

Anonymous Mon 27 Dec 2021 05:03:34 No.14017323 Report

Quoted By: >>14017357

>>14016883
halfwit here whats the difference?
also innertia is just another word for momentum right?

Anonymous

Anonymous Mon 27 Dec 2021 05:17:59 No.14017357 Report

Quoted By: >>14017455

>>14017323
Momentum is closely related to force, which is the integral of momentum wrt time. Inertia is the exact opposite of momentum, the resistance to change from an external force.

Anonymous

Anonymous Mon 27 Dec 2021 05:26:40 No.14017375 Report

Quoted By: >>14017458

>>14016879
momentum acts along a direction, that of velocity. Energy spreads out like toothpaste in the tube or pressure in a hot water tank. It's an intrinsic property. Things change, like time dilation, because externals need a delay to reflect internal interactions, and you will never externally determine internal interactions of something that uses internal configuration as a medium of interaction.

Anonymous

Anonymous Mon 27 Dec 2021 06:06:04 No.14017455 Report

Quoted By:

>>14017357
Force is the derivative of momentum with respect to time.

@ OP
Momentum is a vector quantity, energy is not.

Anonymous

Anonymous Mon 27 Dec 2021 06:08:28 No.14017458 Report

Quoted By:

>>14017375
ive seen you in a couple of threads mentioning this thing of external changes having a delay causing tie dialation can u explain this to me in retard terms? i havnt heard this before

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