Math, asked by BeladiyaHet, 7 hours ago

(8) A train covers 's distance at the constant
speed of 30 km h-!. Then it covers the same
distance in opposite direction at constant
speed of 45 km h-l, then its average velocity
would be ....
km h-

Answers

Answered by pdodwani4

0

Answer:

the speed increase 15 km

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