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Metals form metallic bonds, where unlike in covalent or ionic bonding, electrons are delocalised. This means the electrons can move freely throughout the metallic structure. Electricity is the flow of ele...

Line A has a gradient of 6, because it is in the form y = mx + c, where m=6.
Line B can be rearranged to y= 6x - 7, so the gradient is also 6.
The gradient of both lines is the same, so they are...

There are different components to this question:
Migration into the UK continues to change on a consistent basis. In the past, following the end of the war this saw an influx of families on a large ...

There are two parts to this question that we should consider seperately:
Firstly, we need to work out the total thrust force that is being applied through the seat onto the astronaut. Critically, thi...

1st step: find the derivative dy/dx of the given equation2nd step: now equate the obtained derivative to 0 because this is precisely the situation in which the graph changes direction (the derivative dy/d...