A car is traveling a speed of 81 km per hour if it cross a bridge in 18 second find length of bridge
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Speed:
v = 81 km/h = 81 * 1000 / 3600 = 22.5 m/s
If you skip the length of the car (small in comparison with the length of the bridge), the length of bridge is:
l = v * t = 22.5 * 18 = 405 m
v = 81 km/h = 81 * 1000 / 3600 = 22.5 m/s
If you skip the length of the car (small in comparison with the length of the bridge), the length of bridge is:
l = v * t = 22.5 * 18 = 405 m
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