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Consider two scenarios before and after. Before there is a velocity of 8m/s (with right being positive) and mass 1kg. after there is a mass of 1kg and a velocity of -4 m/s as right is positive and it boun...

As you know, in the Weimar Republic there were challenges to the Republic from groups who held far left beliefs, such as the Spartacists, and far right beliefs, such as the Freikorps. But what do the labe...

In A Level Chemistry, the word aromatic means a molecule’s structure contains at least one cyclic ring which has a delocalised pi electron cloud above and below it. This occurs from unbonded P orbital ele...

A stationary point can be found when dy/dx = 0. The first thing we need to do is differentiate y to find dy/dx, and solve it for dy/dx = 0. This gives us...

A symbol is often an object that is described in a text which has a deeper meaning than what it may seem at surface level. It appears singularly or few times throughout a novel or play, for example, flyin...