A car covers 20 km in the first 20 minutes and 35 km in the next 20 minutes. What is the average speed of the car?
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1
Answer:
1.375 is ur answer .... I think so...
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Answer:
Ist situation
d = 20km = 20000m
t = 20 min = 1200 s
2nd situation
d= 35000 m
t= 1200 s
Avg speed = total d/ total t = 20000+35000/ 1200+1200
=55000/2400 = 22.9 m/s or 23m/s
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