Tuesday, 26 April 2016

SDL (02) Revision: Rate & Speed (Q1) The Traveller's Route

Instructions
Refer to the Handout and attempt the task on writing papers.
Remember to label the parts and show your working clearly.

Eunice is driving from Singapore to Malacca, Malaysia.




Eunice is driving from Singapore to Malacca, Malaysia. She leaves Singapore Woodlands checkpoint at 08 30 and travels the first 60 km of the journey at an average speed of 25 m/s and the next 120 km at an average speed of 80 km/h. She stops at Muar for a 30-minute break before continuing the last part of her journey at an average speed of 90 km/h in 35 minutes.

(a) Convert 25 m/s to km/h. [1]
(b) What time does she reach Muar? Give time in the 24h notation. [3]
(c) Find the average speed for its entire journey, giving your answer in km/h. [3]


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