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Standard XII

Physics

Distance

Sam Walks to ...

Question

Sam Walks to his school which is 3km away from his home in 30 minutes,On reaching ,he finds that the school is closed and comes back by a bicycle with his friend and reaches home in 20 minutes.what is his average speed in km/h for the whole journey?

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Solution

The correct option is B 7.2
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Sam Walks to his school which is 3km away from his home in 30 minutes,On reaching ,he finds that the school is closed and comes back by a bicycle with his friend and reaches home in 20 minutes.what is his average speed in km/h for the whole journey?

The correct option is B 7.2---

The correct option is B 7.2
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