A steel component is heated to 800C and then quenched rapidly in water What effect does this have on the material properties of the component? (2 marks)

A Charpy impact test is performed, the pendulum starting height (ha) is 0.4m and the final height (hb) is 0.23m   Using the values for (ha) and (hb) above, calculate the impact energy absorbed by the sample? (5 mark)

The American Psychological Association accepted forensic psychology as a specialization in the year

An object is thrown upward. At the top of its path,

The difference between transverse and longitudinal waves is the 

Heat transfer by the motion of warm liquid or gas from one place to another is referred to as

When two atoms form a molecule by sharing electrons they are said to be a _____ compound.

A system of three protons and one electron has the same total charge as 

Chlamydial infections are easily treatable in early stages.

LGBT youth are more likely to commit suicide than non LGBT youth.