How long is the tunnel

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Reference no: EM132119664

A high-speed train is built to be 600 m long. The train is passing through a 500 m long tunnel.

a. At what speed, according to an observer on the ground, the train will be just completely covered by the tunnel at one instance.

b. According the passengers on the train, how long is the tunnel? Will the passengers ever see the train be completely enclosed by the tunnel?

Reference no: EM132119664

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