a person walks 60 meters in 1 minute then walks 30 meters in 2 minutes what is their average speed over the 3 minute walk.(in meters per second)
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Answer:
0.75 m/s
Explanation:
average speed = total distance/total time
s= 60+30 m/60x2s
s= 90m/120s
s= 0.75m/s
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