Physics, 02.09.2020 21:01 khenalilovespandas
A 20-car train standing on the siding is started in motion by the train’s engine. 2 cm slack is between each of the cars, which are 11 m long. The engine is tightly connected to the first car and moves at a constant speed of 21 cm/s. How much time is required for the pulse to travel the length of the train? Answer in units of s.
Answers: 3
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A 20-car train standing on the siding is started in motion by the train’s engine. 2 cm slack is betw...
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