A train at rest has a length of 100m. At what speed must it approach a tunnel of length 80m so that an observer at rest with respect to the tunnel will see that the entire main is in the tunnel one time?
1.A train at rest has a length of 100m. At what speed must it approach a tunnel of length 80m so that an observer at rest with respect to the tunnel will see that the entire main is in the tunnel one time?
A train at rest has a length of 100m. At what speed must it approach a tunnel of length 80m so that an observer at rest with respect to the tunnel will see that the entire main is | Suva Ai
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