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**Problem**: A 15 kg object moves along a path given by x(t) = 3m - (1.7 m/s)t + (0.7 m/s3)t3. (a) What is the object's momentum as a function of time?(b) What is the force (as a function of time) acting on the object?

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A 15 kg object moves along a path given by x(t) = 3m - (1.7 m/s)t + (0.7 m/s^{3})t^{3}.

(a) What is the object's momentum as a function of time?

(b) What is the force (as a function of time) acting on the object?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Newton's Second Law and Momentum concept. If you need more Newton's Second Law and Momentum practice, you can also practice Newton's Second Law and Momentum practice problems .