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mary walked north her home to sheila home is 4.0 away then turned right and walked another 3.0 kilometers to the supermarket which is 5.0 kilometers from her own home she walked the total distance in 15 hours what were her average speed and average velocity

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BSimmons13

Her average speed would be the total distance so 7 kilometers divided by the total time or 7/1.5 which would be 4 2/3 km/hr.

 
Her average velocity would be the directed distance of 5 km divided by 1.5 (time) or 3 1/3 km directed 36.87 degrees East of North

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