Physics, 25.05.2020 02:58 christopherluckey7
A person goes to his friends home at the speed of 30 km/h and comes back at the speed of 40 km/h. what was his average speed throughout the entire trip?
Answers: 1
be the distance between the two houses. Considering the formula
is the velocity and 
is the time, we can solve it for the time to get
, and the global time is the sum of the two times. We have
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A person goes to his friends home at the speed of 30 km/h and comes back at the speed of 40 km/h. wh...
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