Question

a train 144 metre long crosses a signal in 6 seconds then find the speed of train in kilometre per hour


1). 84km /hr
2). 86.4km/hr​

Answer 1

2.) 86.4 km/hr

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Answer 2

Answer:

Step-by-step explanation:

Meter/second*18/5

144/6*18/5=86.4km/h