The stress fields near a crack tip of a linear elastic isotropic material for
For KII= 300 ksi
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- A sodium ion (Na+) moves in the xy-plane with a speed of 2.90 ✕ 103 m/s. If a constant magnetic field is directed along the z-axis with a magnitude of 3.25 ✕ 10−5 T, find the magnitude of the magnetic force acting on the ion and the magnitude of the ion's acceleration. HINT (a) the magnitude (in N) of the magnetic force acting on the ion N (b) the magnitude (in m/s2) of the ion's acceleration m/s2arrow_forwardIf the electric potential at a point (x, y) in the xy-plane is V(x, y), then the electric intensity vector at the point (x, y) is E = – vV(x, y). Suppose that V(x, y) = e¯2x cos 2y. (a) Find the electric intensity vector at (x/4, 0). (b) Show that at each point in the plane, the electric po- tential decreases most rapidly in the direction of the vector E.arrow_forward4. The particle moves along a plane curve y = e, where x and y are measured in meters. It has a constant speed v= 12 m/s. Determine the x and y components of acceleration at y = 1 m. Also determine the tangential and normal components of acceleration at this instant.arrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage