Amagnesium oxide component must not fail when a tensile stress of 10.5 mpa is applied. determine the maximum allowable surface crack length if the surface energy of magnesium oxide is 1.0 j/m2. the modulus of elasticity of this material is 225 gpa.

The particles that are found in the nucleus of an atom are

The inner planets or call terrestrial because they

Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope