A-LevelMathematicsMechanicsOct/Nov 2017Paper 5 Q37 Marks
One end of a light inextensible string of length 0.4 m is attached to a fixed point A which is above a smooth horizontal surface. A particle P of mass 0.6 kg is attached to the other end of the string. P moves in a circle on the surface with constant speed v m s⁻¹, with the string taut and making an angle of 60° with the horizontal (see diagram).
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