Necking occurs in a tensile test at a strain at which the work-hardening rate equals the effective (true) stress

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

What is a good example of instantaneous speed

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.