A-LevelMathematicsMechanicsMay/June 2018Paper 5 Q26 Marks
One end of a light elastic string is attached to a fixed point O. The other end of the string is attached to a particle P of mass 0.4 kg. The string has natural length 0.6 m and modulus of elasticity 24 N. The particle is released from rest at O. Find the two possible values of the distance OP for which the particle has speed 1.5 m s⁻¹.
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