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Originally posted by artistpoet
Elecro Magnet Waves occur or are created AT 299,792,458 metres per second which is the speed of light
By the way I had to look up the speed of light as a hunch it would be the same as the speed at which an Electro Magnetic field occurs.
So my best guess is that visual frames of reference all occur at that speed?
further thought being that we measure all against the speed of light?
Originally posted by ImaFungi
reply to post by CLPrime
You said with the rocket car in space example, the car itself can not accurately measure its speed... and i was thinking couldnt it measure in a similar way to how a highway car measures its speed, i know there would be a ton of variables , but if it would use a propulsion system, couldnt it possibly calculate how much distance it is traveling if they knew with how much energy the rocket thrusted, how much weight it would be pushing etc??.
since weve been discussing this stuff about cars, ive been thinking of how highway cars measure speed, and all the variables like elevation on the road and how that effects speed and distance....... about your black and red car scenario i have no clue whats up with that.
Originally posted by CLPrime
No matter which black car you ask, and no matter in which direction and at what speed that black car is travelling, it will always measure the speed of the red car to be exactly 100 km/h.
How is that possible?