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Kinematics
Quick questions on Kinematics using calculus explained: O-Level A-Maths
7short 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 integrating up the chain?Show answer
Reversing the arrows, integration recovers velocity from acceleration and displacement from velocity:
What are using initial conditions?Show answer
The constant is fixed by a known value, usually at : an initial velocity gives the constant in the velocity expression, and an initial displacement gives the constant in the displacement expression. Find each constant before using the expression further.
What are not using the initial conditions?Show answer
The constants come from given values at (or another stated time); leaving them as letters is incomplete.
What is sign of velocity overlooked?Show answer
Check whether changes sign before computing total distance, or the parts will cancel.
What is q1?Show answer
Given , find the acceleration. [2 marks]
What is q2?Show answer
A particle has and starts from rest. Find its velocity. [3 marks]
What is q3?Show answer
A particle has and is at when . Find . [3 marks]
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