A 13.0 g wad of sticky clay is hurled horizontally at a 110 g wooden block initially at rest on a horizontal surface. The clay sticks to the block. The coefficient or friction between the block and the surface is .650. The initial speed of the clay before the collision is 92.5 m/s.   Could static friction prevent the block from moving after being struck by the wad of clay if the collision took place in a time interval Δt = 0.100 s? a) Yes, a slightly larger coefficient of static friction could reasonably prevent the block from moving.   b) No, the coefficient of static friction that would be required is unrealistically large.

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