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Mathematics (AS & A Level) · Feb / March 2020 · Paper 42 · Question 2

9709

As printed in the paper

The question as text

A particle P of mass 0.4 kg is on a rough horizontal floor. The coefficient of friction between P and the floor is -. A force of magnitude 3 N is applied to P upwards at an angle ! above the horizontal, where tan ! = 3 4. The particle is initially at rest and accelerates at 2 m s−2.

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  • 2(a)[2]

  • 2(b)[4]

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