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SingaporeAdditional MathematicsQuick questions

Kinematics

Quick questions on Applications of kinematics explained: O-Level A-Maths

4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is not checking the endpoints for an extreme?
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In a closed interval the maximum displacement may be at an endpoint, not at a turning point.
What is q1?
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A particle has v=2t−6v = 2t - 6. At what time is it instantaneously at rest? [1 mark]
What is q2?
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Given s=t2−4ts = t^2 - 4t, find the minimum displacement for t≥0t \geq 0. [3 marks]
What is q3?
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A particle has v=t−2v = t - 2 m per second. Find the total distance from t=0t = 0 to t=4t = 4. [4 marks]

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