## Exam-Style Question on Kinematics## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 314. This question is similar to one that appeared on a GCSE Higher paper in 2017. The use of a calculator is allowed.

Strat drove from Wolverhampton to London via Coventry.

- The distance from Wolverhampton to Coventry is 56 km.
- The distance from Coventry to London is 156 km.
- Strat's average speed from Wolverhampton to Coventry was 63 km/h.
- Strat took 90 minutes to drive from Coventry to London.

(a) Work out Strat's average speed for his total drive from Wolverhampton to London.

Raven drove from Bedrock to Springfield via South Park.

- Raven's average speed from Bedrock to South Park was 70 km/h.
- Her average speed from South Park to Springfield was 50 km/h.

Raven says that the average speed from Bedrock to Springfield can be found by working out the mean of 70 km/h and 50 km/h.

(b) If Raven is correct, what does this tell you about the two parts of Raven's journey?

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