A body moving in a straight line with an acceleration of 12ms-1 has a velocity of 8ms-1 after 5 seconds. Find the initial velocity of the body and the distance covered in the 9th second?

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2 answers

I already went through this. What didn't you understand?
v(t) = v0 + at
v0 + 5*12 = 8
so v0 = -52 m/s
Now finish it off. How your work if you get stuck.
What about the distance in the 9th second?