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Ben walks 500 meters from his house to the corner store. He then walks back toward his house, but continues 200 meters past his house to talk to a neighbor. It takes Ben 17 minutes from the time he leaves his house until he stops to talk to his neighbor.

What is Ben’s average velocity?

0.2 m/s
0.5 m/s
0.7 m/s
1.2 m/s

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Answer:

[tex]velocity = 0.2 m/s[/tex]

Explanation:

As we know that Ben walks to the market at distance of 500 m

then he turns back towards his house and continue 200 m past his house towards neighbor.

So the return path length is 700 m

So here total displacement of Ben is given as

[tex]d = 700 - 500 [/tex]

[tex]d = 200 m[/tex]

Now for the average velocity we know that

[tex]velocity = \frac{displacement}{time}[/tex]

[tex]velocity = \frac{200}{17 \times 60 seconds}[/tex]

[tex]velocity = 0.2 m/s[/tex]

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