mamta cross first 30km in 40 minutes and next 19km in 30 minutes find the average of the speed
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Answer:
Cosmos often simply means "universe". But the word is generally used to suggest an orderly or harmonious universe, as it was originally used by Pythagoras in the 6th century B.C. Thus, a religious mystic may help put us in touch with the cosmos, and so may a physicist.
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Answer:
11.667m/s
Step-by-step explanation:
avg speed =total distance /total time
avg speed 30+19/2400+1800
4900/4200
490/42 =11.667m/s
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