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Convection is a heat transfer process that occurs in fluids. During convection, hot, less dense fluids rise to the top of a system, while cooler, more dense fluids sink to the bottow of the system under grav...

The binding energy of a nucleus is the energy that would be required to split the nucleus into it's constituent nucleons.

Although these two words can be used interchangably they are very very different. Its easier to explain if you break down their equatoins. Speed = distance / time Velocity = displacement / time The differenc...

The key point to recognise here is that an object undergoing a circular orbit around the Earth is undergoing circular motion. Circular motion is caused by a centripetal force (acting towards the centre of th...

This question is 4 marks so you need to make at least 4 points. These types of questions just require memorising the 4 points: Lots of molecules collide with the walls. The molecules change momentum as they ...