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Suppose a block of mass M is sliding down an inclined plane which makes an angle t with the horizontal. The coefficient of kinetic friction between the plane and the block is u (assume tan(t) > u). The block is initially at rest.
a) What is the work done by friction as the block travels a distance d along the plane?
b) What is the speed of the block at this point?
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A 378 N, uniform, 1.56 m bar is suspended horizontally by two vertical cables at each end. Cable A can support a maximum tension of 502.0 N without breaking, and cable B can support up to 397.0N. You want to place a small weight on this bar. What is ..
A coil of wire with 80 turns and a cross-sectional area of .03m^2 lies perpendicular to a magnetic field of magnitude 1.5T. what is the average value of the voltage induced in the coil
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