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This is a question about circular motion that also includes some knowledge of Newton's laws. The car is travelling over a curved surface, which you can imagine as part of the circumference of a circle....
Whilst at first this question looks difficult, once broken down it becomes quite easy. It is a simple case of energy exchange.
The pole vaulter gives themselve kinetic energy as they apro...
The first step of urine formation is ultrafiltration. Blood passes through a network of capillaries in the kidney called the glomerulus. It is filtered into the Bowman’s capsule (the f...
It is a way of measuring the amount of the fall in value of NCAs over a period of time. It is perceived as a measure of the consumption of the asset over its useful econom...
An enzyme is a protein catalyst.
A catalyst is a substance which alters the rate of a chemical reaction. (So it can speed up a chemical reaction).
The key...
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