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The first thing to note is that the book is sat on the table, so it is stationary. From newtons laws, we know it must have 0 total force acting on it. Every object on the earth feels a force downwards due...

E.M Forster published one of his more successful novels, ‘A Room with a View’ in 1908, after having written ‘Where Angels Fear to tread’ and ‘The Longest Journey’. One of the key themes within his novel i...

Chlorine has fewer shells than iodine - chlorine has 2 and iodine has 4. We know this by referring to the periodic table. This means its outer electrons are closer to the nucleus.Because ...

Define p=momentum, E=electric field.Firstly we know that:1) ∆p/∆t = F - definition of momentum2) F = Eq - force on particle in an electric field caused by a voltage3) E = V/d - definition of electric fiel...

We want to start with “the square of an odd number” and show something. Remember that any odd number can be expressed as 2n+1 (an even number is 2n, and any odd number is 1 larger than an...