A man drives 100m in the first 10s,9om in the next 10s and 120 m in 20s so the average speed is
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Answer:
The average speed is 7.75 m per s
Explanation:
Total time taken = 10 + 10 + 20 = 40s
Total distance traveled = 100 + 90 + 120 = 310 m
The average speed = Total distance/ total time
= 310 / 40
= 7.75 m per s
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