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The key word to note in this question is that the expansion is isothermal and that we have a closed system. This means that the expansion must happen at a constant temperature (isotherma...
In all collisions momentum is conserved. However in elastic collision kinetic energy is also conserved, molecules colliding is an elastic collision.If kinetic energy is not conserved that then the collisi...
So we need to break this down into two parts, what are Newtons laws and what is terminal velocity? In this case we will only need the first two of Newtons laws. Number one " An object will remain at ...
Stress is force divided by area, this is plotted on the y axis. Strain is extension divided by original length, this is plotted on the x axis. In the process of recording data to plot a stress-strain curv...
Distance is a scalar which means it only has a length- it is the length of distance travelled along a pathDisplacement is a vector which means it has a direction and a length and is the total change in po...
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