Physics, 21.01.2021 22:50 xonyemaa12
A 21,000 kg train is traveling at 21 m/s. It accelerates as it enters a tunnel because of a
constant force of 45,000 N from the engine. The train is in the tunnel for 5.25 seconds. What
is the final speed of the train?
Answers: 2
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A 21,000 kg train is traveling at 21 m/s. It accelerates as it enters a tunnel because of a
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