1. A force of ION causes aspring to extend by 20mm. find A. the spring constant of the spring in N/m B. the extentsion of the spring in N/m
C. the force applied that causes an externos Of 9mm.

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing