Created by StemPy LabA block of mass slides on a rough horizontal floor, where the coefficient of kinetic friction is . At the moment it touches the free end of a light horizontal spring of force constant , its speed is . The other end of the spring is fixed to a wall. Taking , the maximum compression of the spring is closest to
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← A wedge of mass 4 kg, with an inclined face at 30° to the horizontal, rests on a smooth horizontal floor, as shown in the figure. A small block of mass 2 kg is placed on the inclined face and released. All the surfaces are smooth, so the wedge is free to slide along the floor while the block slides down. Taking g = 10 m/s², the acceleration of the wedge is closest toA smooth hemisphere of radius R is fixed with its flat face on a horizontal floor, as shown in the figure. A small particle is placed at its top and given a horizontal speed u = √(gR/2). The particle slides down the curved surface and, at some point, leaves it. How far below the top of the hemisphere is the particle when it loses contact? →
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