A train 120m long crosses a pole in 10 seconds. How much time it will take to cross a train 80m long coming from the opposite direction at a speed of 28 meters per second?
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Answer:
6.66666666
Step-by-step explanation:
speed=distance upon time
first calculate speed s=120/10 =12 m/s
then again put the formula
s=distance/time
12=80/time
time=6.6666666seconds
rutu31:
The answer should be 5 seconds but I don’t know the explanation.
i am a maths teacher in london its correct
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