From the given speed-time graph, find the average speed (from t = 0 tot = 20 minutes).
Time (in minutes)
(B) 30 km/h
(D) none of these
(A) 20 km/h
(C) 25 km/h
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3
Answer:
25 km/h is the answer.....
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7
Answer:
24km/h
Explanation:
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