The iron block had a mass of 2 kg. Calculate the energy transferred by the heater to increase the temperature of
the iron block by 5 °C.
The specific heat capacity of iron is 450 J/kg °C.

Which of the following is an example of units for speed

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.

What is the single most important equation in all of physics?