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(7) Two trains of length 120 m and 280 m are runnog
towards each other on parallel lines at 42 kmph
and 30 kmph respectively. In what time will they
cross each other from the moment they meet?
Answers
Answered by
2
Answer:
here your answer........
Step-by-step explanation:
time=distance/speed
distance=120+280=400
relative speed
40+32=72 kmph
72×5/18=4*5=20 meter/second
Required time
400/20=20 seconds
Answered by
0
Answer:
20 seconds
this is the answer!
Step-by-step explanation:
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