The diagram below shows the speed-time graph for a bus travelling between two stations. The bus begins from rest and accelerates uniformly for 30 seconds.

      

The diagram below shows the speed-time graph for a bus travelling between two stations. The bus
begins from rest and accelerates uniformly for 30 seconds. It then travels at a constant speed for 60
seconds and finally decelerates uniformly for 40 seconds.


Given that the distance between the two stations in 2090m. Calculate
(a) The maximum speed, in km/h the bus attained
(b) The acceleration
(c) The distance traveled during the last 20 seconds
(d) The time the bus takes to travel the first half of the journey

  

Answers

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22t = 919
t = 32.5

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Wilfykil answered the question on August 9, 2019 at 12:13

Next: The figure below shows a rhombus PQRS with PQ = 9cm and angle SPQ=60⁰. SXQ is a circular arc;centre P.
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