A-LevelMathematicsMechanicsFeb/Mar 2018Paper 5 Q36 Marks
A small ball B is connected to one end of a light elastic string of natural length 0.4 m and modulus of elasticity 12 N. The other end of the string is attached to a fixed point A. The ball is projected with speed 1 m s¯¹ vertically downwards from a position 0.4 m vertically below A, and reaches its greatest speed at the point 0.7 m below A.
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