Question

Concider the vlocity of the car v=2t^3+3t^2-t^2. what is th accelaration when t=2

Answer 1

32 is the right answer

Answer 2

v=2t^3+3t^2-2t^2
=2t^3+2t^2
t=2
v=2×2*2*2+2*2*2
=16+8
=24
Acceleration =change in velocity /time taken
=24/2
=12m/s^2
Hope this helps you..