Jeffrey and Jane are traveling towards each other from points that are 378 miles apart. If Jane is traveling 13 mph faster than Jeffrey and they meet after 6 hours, how fast was each traveling? Jeffrey is traveling mph

Q: I need help with 13 as well, please

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.