How to calculate the area of any surface with error limits

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

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

The necleus of an atom is made up of what subatomic particles?