A-LevelMathematicsMechanicsMay/June 2025Paper 4 Q69 Marks
The diagram shows the vertical cross-section ABC of a rough waterslide. The section AB is a straight line of length 5m inclined at an angle of θ to the horizontal, where sinθ = 0.8. The point B is 2.5m above the level of C. A man of mass 80kg, modelled as a particle, slides down the waterslide, starting from rest at A. The coefficient of friction between the man and the straight section of the waterslide is 0.1. [Figure with waterslide]
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