7. A 240-m-long train travels with a speed of 144 km/h. How long will it take to cross (1) a pole
and (ii) a 320-m-long platform?
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Answer:
d=240m
s=144km/h
t=d÷s
240÷144
5 upon 3 hours
you can also convert it into seconds
Step-by-step explanation:
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