Chapter 10: Variable Acceleration

A-level MathematicsStatistics and Mechanics7 topicsHigher

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Kinematics in One Dimension Long-Answer Questions

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4 questions24 marks36 min

standard / hard / synoptic

6 marksfindstandardEdexcel

SM10-1: u = 4

m\,s^{-1}

, a = 3

m\,s^{-2}

, t = 6 s. Find s = 78 m for constant-acceleration equations. Show the method clearly by using use s = ut + 1/2

at^{2}

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6 marksshow thatstandardEdexcel

SM10-2 verification: show that the printed answer is valid by applying use s = ut + 1/2

at^{2}

. Include a check using u = 4

m\,s^{-1}

, a = 3

m\,s^{-2}

, t = 6 s.

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6 marksprovehardEdexcel

SM10-3 proof: starting with u = 4

m\,s^{-1}

, a = 3

m\,s^{-2}

, t = 6 s, prove s = 78 m for constant-acceleration equations; give restrictions.

0 characters

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6 markshencesynopticEdexcel

Using SM10-4's earlier result s = 78 m, hence solve the linked problem in constant-acceleration equations and state whether the answer is exact or rounded.

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9. Forces and Motion

11. Regression, Correlation and Hypothesis Testing

Key learning objectives

Understand the key principles behind Variable Acceleration.
Apply these ideas to exam-style questions.
Recall the essential definitions and key terms.