Science, asked by ayushidp2006, 10 months ago

please answer me fast..need immediately

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Answered by hodeee4

2

Answer:

Total time taken= 3hrs and 30 mins=7/2 hrs. Answer: Distance covered in half an hour at 30km/hr = s×t = 30×1/2=15km. ... Therefore, average speed=total distance covered/total time taken = 120×2/7 = 34.28km/hr.

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