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Study A.2.19—Newton’s second law forms conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

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This question is in two parts. Part 1 is about simple harmonic motion and forced oscillations. Part 2 is about electric and magnetic force fields.

Part 1 Simple harmonic motion and forced oscillations
The graph shows the variation with time of the displacement of an object undergoing simple harmonic motion.
displacement / mm

time / ms

Part 2 Electric and magnetic force fields

The diagram shows two isolated electrons, X and Y , initially at rest in a vacuum. The initial separation of the electrons is 5.0 mm . The electrons subsequently move apart in the directions shown.

Calculate the initial acceleration of one electron due to the force in (c)(i).

$1.0 \times 10^{7} \mathrm{~ms}^{-2}\left(9.9 \times 10^{6} \mathrm{~ms}^{-2}\right.$ if $9 \times 10^{-24} \mathrm{~N}$ used );

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IB Physics SL A 2 19 Newtons Second Law Forms Topic Practice

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Question 1