a boy runs from his house to school at speed 5m/s on a straight road and returns with speed of 10m/s.The distance between the house and scho

Question

a boy runs from his house to school at speed 5m/s on a straight road and returns with speed of 10m/s.The distance between the house and school is 100m. Find his average velocity…. with explaination please​

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Thành Công 4 years 2021-08-22T04:38:21+00:00 1 Answers 17 views 0

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  1. thienhuong
    0
    2021-08-22T04:40:10+00:00
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    Explanation:

    time spent to run from house to school=100/5=20s

    time spent to return from school=100/10=10s

    average velocity=200m/(10+20)

    • =6.66m/s

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