The distance between Delhi to luck now is 400km.Nisha travels this distance partly by bus and partly by train and it takes 3 hours to reach her from Delhi to lucknow.find the average speed.
Please give full answer in detail
class 9 science
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Answer:
distance= speed X time
Explanation:
400= s X 3x60
s=400/180
s= 2.22 m/s..
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