A rectangular plate is 3.0 m by 10.0 m. It is fixed along the two shorter edges and one of the longer edges to a rigid wall. At 25 ºC, there is a gap of 8.0 mm between the other edge and a fourth rigid wall. The temperature of the plate is suddenly increased by 40 ºC, and is held at this temperature for 15 hours. The elastic plate has a modulus of 200 GPa, Poisson's ratio of 0.30, and a thermal expansion coefficient of 30 x 10-6 /ºC. The creep law for the material is given by where the von Mises effective stress is in MPa

To understand the behavior of the electric field at the surface of a conductor, and its relationship to surface charge on the conductor. a conductor is placed in an external electrostatic field. the external field is uniform before the conductor is placed within it. the conductor is completely isolated from any source of current or charge. part a: which of the following describes the electric field inside this conductor? it is in the same direction as the original external field.it is in the opposite direction from that of the original external field.it has a direction determined entirely by the charge on its surface.it is always zero. part b: the charge density inside the conductor is: 0non-zero; but uniformnon-zero; non-uniforminfinite part c: assume that at some point just outside the surface of the conductor, the electric field has magnitude e and is directed toward the surface of the conductor. what is the charge density η on the surface of the conductor at that point? express your answer in terms of e and ϵ0

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped

Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?