66 SSM] When a material is stretched in one direction, if its density remains constant, then...
A block of material insulator is 2d thick and oriented so that its faces they are parallel to the yz plane and given by the x = d and x = -d planes. The dimensions y and z of the block are very large compared to d and They can be considered essentially infinite. The block has a density of uniform positive charge r. a) Explain why the electric field due to the block it is equal to zero in...
3. A 2.8 cm x 5.0 cm rectangular rod is stretched from its
initial length of 0.4000 m to a length of 0.4005 m. The Young’s
modulus of the rod material is 95 GPa. Poisson’s ratio of the rod
material is 0.333.
A) Calculate the axial stress in units of MPa
B) Calculate the transverse strain in units of microstrain
C) A strain gauge with a strain gauge factor of 2.1 is glued to
the rod before it is stretched,...
2. Total Current Density The magnetic field , B, in a ferromagnetic material is a known function of spatial coordinates. (a) Prove that the total (conduction plus magnetization) volume current density in linear material, total = + m, can be expressed in terms of B as follows: total = x B/MO. (b) Specifically, compute total for B(x,y,z) = (2x +z)/y28+ (2/y)ý + (x + 2y)2 T. (c) In a uniform Ē field, assume there exists a volume current density T...
A uniform magnetic field is directed in the -z direction. A rectangular wire wound 5 times with a length of 0.7 meters and width of 0.8 meters is placed in the x-y plane in the field. The magnetic field is changed in magnitude from 15 Tesla to 4 Tesla in a time of 0.6 seconds. If the resistance of the wire is 7 Ohms, what is the magnitude and direction of its magnetic moment produced by the average induced current...
A rectangular solid of height h increases in optical density as its height increases, so the index of refraction of the solid increases with height according to: n(y) = 1.10(4.00y + 1.00) where y is the distance, in meters, from the origin (see diagram). A beam of light traveling in air (n = 1.00) in the x-y plane strikes the bottom of the tank at the origin, making an angle of incidence with the normal of ?1. Assume: n varies...
A slab of insulating material has thickness 2d and is oriented so that its faces are parallel to the yz-plane and given by the planes x=d and x=?d. The y- and z-dimensions of the slab are very large compared to d and may be treated as essentially infinite. Let the charge density of the slab be given by ?(x)=?0(x/d)2 where ?0 is a positive constant. Part B Using Gauss's law, find the magnitude of the electric field due to the...
Measur Questions 1. Which measurement was most precise? a) length of wooden block b) length of cylinder e) thickness of specimen provided 2. Given: density of wood 0.8 gm/cc density of aluminum 2.70 gm/cc thickness of specimen 0.17 mm a) Determine the percent of error of the density of wood b) Determine the percent of error of the density of aluminum c) Determine the percent of error of the thickness of the specimen d) Which of these measurements was most...
A rectangular wire loop located in the plane of the page has a width L, and its length. X. is determined by the position a movable rail that forms the fourth side of the rectangle, as shown. The total electrical resistance of the wire loop is R, and an externally applied magnetic field, B, is directed out of the page. The rail is moving towards the right with speed v. Assume that the x direction is towards the right of...
And governing equation used
Written A rectangular plane wing can be treated as a two-dimensional domain as a rough approximation. The length of the wing is 3 and its width (the height of the domain when represented on a sheet of paper) is 1. The wing is exposed to a heat source at its leftmost edge, with a temperature equal to Trot. The flux of heat in the wing is given by Fourier's law: and throughout the domain a source...
A spring has a relaxed length of 36 cm (0.36 m) and its spring stiffness is 9 N/m. You glue a 83 gram block (0.083 kg) to the top of the spring, and push the block down, compressing the spring so its total length is 19 cm. You make sure the block is at rest, then at time t = 0 you quickly move your hand away、The block begins to move upward, because the upward forc.e on th€ block by...