Year 8 Travel Graphs

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# Year 8 Travel Graphs - PowerPoint PPT Presentation

Year 8 Travel Graphs. Dr J Frost (jfrost@tiffin.kingston.sch.uk) . Last modified: 10 th November 2013. Example. A cyclist rides from Kingston to Stratford. Answer the following questions: What time did the cyclist rest during his journey to Stratford? 10-11am

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## Year 8 Travel Graphs

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Presentation Transcript

### Year 8 Travel Graphs

Dr J Frost (jfrost@tiffin.kingston.sch.uk)

Example

A cyclist rides from Kingston to Stratford. Answer the following questions:

What time did the cyclist rest during his journey to Stratford?10-11am

How far did the cyclist ride in total?120km

Find the cyclist’s speed from 8-10am.Speed = Distance / Time = 10km/h

What was the cyclist’s maximum speed?= 60 / 2 = 30km/h

What was the cyclist’s average speed across the journey?= 120 / 9 = 13.33km/h

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Worksheet

• Sarah travelled 20km from home to her friend’s house. She stayed at her friend’s house for some time before returning home.
• a) At what time did Sarah leave home? 10 10
• b) How far was Sarah from home at 1030? 13.5km
• Sarah left her friend’s house at 11 10 to return home.
• c) Work out the time in minutes Sarah spent at her friend’s house.30 minutes
• Sarah return home at a steady speed. She arrived home at 11 50.
• d) Complete the travel graph.
• e) Work out Sarah’s average speed on her journey from her home to her friend’s house. Give your answer in kilometres per hour.40km/h
• f) Work out Sarah’s average speed on her journey home from her friend’s house.30km/h

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Reveal

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