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Question: Determine the total number (cm3) of energy states in silicon between ev and ev - 4kbt at t=400 Kelvin. ev is the energy at the top of the valence band. The effective mass of the hole is 5.1 x 10-31 kg and kb is the Boltzmann constant.
Please show all work and steps to determine the total number (cm3) of energy states in silicon.
Two wheels have the same mass and radius of 4.3 kg and 0.50 m, respectively. One has the shape of a hoop, Find the net external torque that acts on each wheel
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Five identical particles of mass m = 0.30 kg are mounted at equalintervals on a thin rod of length script i = 1.05 m and mass M =3.0 kg, with one mass at each end of the rod
Positive electric charge is distributed in the shape of an infinitely long insulating cylinder of radius R and volumetric charge density ?=?0(1-r/R), Find an expression for the linear charge density
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What angle does the velocity vector make with the horizontal
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