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b. A particle moving up and down the y-axis has position y(t) = 3t^2 +6t + 5. Find its acceleration when t = 4.

Sagot :

Answer:

12

Step-by-step explanation:

Boy,  it's been a while since I taught calculus, but if I can remember correctly the velocity is the 1st derivative and the  acceleration is the 2nd derivative.  Let me know if this is correct

1st derivative = 12t + 6

2nd derivative = 12

12 is the acceleration

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