Question

a train 150 M long is running at 72 km per hour it crosses a bridge in 13 seconds find the length of the bridge​

Answer 1

Answer:

110m is the length of the bridge.

Step-by-step explanation:

Solution

We can solve using this equation:

(length of bridge + length of train) = speed of train * time to cross bridge

So:

x + 150 = 72km/h × 13s

Convert 72km/h to m/s

=> 72000m/3600s = 20m/s (speed of train)

Now,

solve: x + 150m = 20m/s *13s

=> x + 150m = 260m

=> x = 260m - 150m

=> x = 110m (length of bridge)

Answer 2

Answer:

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