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04-12-2022
Mathematics

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10. The figure below shows a velocity - time graph of a car journey. 22 Velocity (m/s) time(s) The car starts from rest and accelerates at 2.75m/s² for t seconds until its speed is 22m/s. It then travels at this velocity until 40 seconds after starting. Its breaks bring it uniformly to rest. The total journey is 847m long and takes T seconds. Calculate the:
1)Value of t
2)Distance travelled during the first t seconds
3)Value of T
4)Final deceleration

Answer :

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