Measurement, STD2 EQ-Bank 20

The travel graph displays Jamie's trip which began at town `M` at 8 am and finished at town `N`.

How far apart are the two towns? (1 mark)

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At what time during the day did Jamie arrive back at town `M` ? (1 mark)

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What was the total distance that Jamie travelled? (1 mark)

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Between which times in the day was Jamie travelling at the fastest speed? Justify your answer, without calculations. (1 mark)

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Show Answers Only

a. `140\ text{km}`

b. `10\ text{am}`

c. `220\ \text{km}`

d. `\text{Between 11 – 11:30 am}`

Show Worked Solution

a. `140\ text{km}`

b. `text{James arrives back at town when he is 140 km away (2nd time).}`

`=> 10\ text{am}`

c. `\text{Total Distance} = 40 + 40 + 60+ 80=220\ text{km}`

d. `text{Fastest speed → graph is the steepest (either up or down)}`

`:.\ text{Fastest speed between 11 – 11:30 am}`