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Use an energy method to determine the speed of the particle after it has travelled $15\,\text{m}$ down the plane.
Mathematics 9709 · AS & A Level · Energy, work and power
Energy, work and power — practice question
A particle with mass $0.6\,\text{kg}$ is projected at a speed of $4\,\text{m s}^{-1}$ along the line of greatest slope of a smooth plane that is inclined at $10^\circ$ to the horizontal.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct use of a kinetic or potential energy expression, e.g. $\tfrac12 mv^2$ or $mgh$” …
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