3 ms·

This may help. https://en.wikipedia.org/wiki/Special_relativity#Relativity_without_the_second_postulate https://en.wikipedia.org/wiki/Special_relativity#Relati

by alok-g 4y ago

This may help. https://en.wikipedia.org/wiki/Special_relativity#Relativity_without_the_second_postulate https://en.wikipedia.org/wiki/Special_relativity#Relativity_...