year 8 travel graphs dr j frost ([email protected]) last modified: 10 th november 2013
TRANSCRIPT
A cyclist rides from Kingston to Stratford. Answer the following questions:
a) What time did the cyclist rest during his journey to Stratford?10-11am
b) How far did the cyclist ride in total?120km
c) Find the cyclist’s speed from 8-10am.Speed = Distance / Time = 10km/h
d) What was the cyclist’s maximum speed?= 60 / 2 = 30km/h
e) What was the cyclist’s average speed across the journey?= 120 / 9 = 13.33km/h
Example
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WorksheetSarah 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 10b) 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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