One xtra step required when using panel products is a. accommodating contraction
b. cutting well-fitted grooves
c. treating unattractive edges
d. sourcing ethical material

A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Newtons view of arrangement of the universe. don't copy from anywhere.