Stay on task, late work stacks up fast. Don't be afraid to ask questions. Don't wait to study until right before the test, spread out studying throughout the unit. From someone taking two AP classes, they aren't easy but with hard work, they are worth it in the end.
Answer:
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Answer:
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Explanation:
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Answer:
a = 132 m/s^2
Explanation:
f(t) = t^4 − 2t^3 − 6t^2 + 9t
v = f'(t) = 4t^3 - 6t^2 - 12t + 9
a = f''(t) = 12t^2 - 12t -12
Substitute t = 4 seconds into the equation for a:
a = 12(16) -12(4) -12 = 132 m/s^2
