julesdecent julesdecent
  • 03-05-2024
  • Mathematics
Answered

A car on a straight track starts from rest and accelerates at a constant rate of 0.8 ms-2 for T
seconds. The car then maintains a constant speed for a further 30 seconds and then
decelerates to rest at a rate of 0.4 ms^-2



(b) Given that the total distance travelled is 960 metres, find

(i) the value of T
(ii) the average speed of the car.



Answer :

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