Physics, asked by lagancutepie329, 8 months ago

PL tell me fast m......

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Answered by krishnasharma81

0

Answer:

20+40

________ =60/2 =30

2

Answered by AmandeepMohanty

0

Explanation:

average speed = (20km/h + 40km/h) /2

= 60km/h /2

= 30km/h

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