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iGCSE (2021 Edition)

15.04 Speed, distance and time (Extended)

Interactive practice questions

If the average speed of a journey was $63$63 km/h, then which of the following statements is valid?

The minimum speed of the journey was $63$63 km/h.

A

The maximum speed over the journey was $63$63 km/h.

B

$63$63km were traveled in exactly $1$1 hour.

C

The speed could have wavered above and below the speed of $63$63 km/h.

D

The journey took $1$1 hour.

E
Easy
< 1min

Sally tells Neil that her trip from Uppity to Downtown had an average speed of $90$90 km/h. Which of the following statements could be true? Select all appropriate answers.

Easy
1min

Maria travels by car for $420$420 km. The trip takes $10$10 hrs. What is the average speed of the trip?

Easy
< 1min

Amelia travelled by car, crossing a distance of $340$340 km in $5$5 hours.

Easy
< 1min
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Outcomes

0580E1.11B

Calculate average speed. Use common measures of rate.

0580E2.10D

Apply the idea of rate of change to simple kinematics involving distance–time and speed–time graphs, acceleration and deceleration. Calculate distance travelled as area under a speed–time graph.

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