Isotopes present in a sample

      A mass spectrometer is a device that determines what elements and isotopes are present in a sample. Element refers to the type of atom, such as hydrogen, carbon, iron, etc. Isotopes are atoms of the same element but with different numbers of...

Use of force

        What is use of force? Discuss the research concerning use of force. What factors seem to be associated with it?    

Petrophysics and Well Logging Applications

In the field of Petrophysics and Well Logging Applications. Literature research based on primary sources1. You could, for example, choose to focus on a specific petrophysical tool and its application(s). Alternatively, you could focus on a relevant...


Explain the following properties: Young´s modulusyield strengthtensile strengthfracture toughnessthermal conductivityspecific heat capacitythermal expansion coefficientelectrical resistivityembodied energy.

Physics question

An anti-whaling boat, the BlueYonder, is travelling in perfectly calm seas at a speed (relative to the surrounding sea) of 40 km h−1 on a bearing of 160◦. It is aiming to cross the path of a whaling ship, the Narwhal, which is sailing in perfectly calm seas at a speed...