You are visiting a friend and you notice the plastic insulation on the chord to their toaster has a crack and the bare copper wire is exposed. Your friend gets a shock when making toast. What can you tell your friend about what happened? What is the specific term for what has happened and what safety feature should/do they have in their home to protect them.

The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.

Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?

In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?