Question:
if position of a car is given by x=2t.t +3t+1. Find velocity and acceleration at t=3s.
Answer:
The same question has been solved in video:
https://www.youtube.com/watch?v=LxCVSv-e-hU&list=PLCzaIJYXP5YclmkxX8EmmybMgirRVVCCV&index=6
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