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Position, velocity and acceleration practice
Position, velocity and acceleration · 1–12
s(t) is the position of an object in meters after t seconds.
1.s(t) = t3 − 9t2 + 15tWhen is the object at rest?
2.s(t) = t3 − 6t2 + 9tWhen is the object at rest?
3.s(t) = t3 − 152t2 + 12tWhen is the object at rest?
4.s(t) = t3 − 9t2 + 24tWhen is the object at rest?
5.s(t) = t3 − 12t2 + 36tWhen is the object at rest?
6.s(t) = t3 − 15t2 + 72tWhen is the object at rest?
7.s(t) = t3 − 152t2 + 18tWhen is the object at rest?
8.s(t) = t3 − 212t2 + 36tWhen is the object at rest?
9.s(t) = t3 − 212t2 + 30tWhen is the object at rest?
10.s(t) = t3 − 12t2 + 45tWhen is the object at rest?
11.s(t) = t3 − 272t2 + 54tWhen is the object at rest?
12.s(t) = t3 − 392t2 + 126tWhen is the object at rest?
Answer key — Position, velocity and acceleration practice
Position, velocity and acceleration
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