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Imagine an opaque barrier (no light can get through) with two parallel slits in it, onto which we shine a coherent light source (light of only...

The first part of this question relies on remembering one key principle which is that for a satellite, or any body orbiting in a circle, centripetal force is provided by gravitational force. The rest ...

For starters, what exactly is Kepler's Third Law?

Kepler's Third Law states that the square of the time period...

Half-life is a term commonly used in radioactivity. It defines the time taken for a radioactive source to halve its activity. A radioactive source will e...

An object experiances a force if it's pushed or pulled, and is measured in newtons. These forces are represented as arrows in force diagrams, these arrows give information on how big and in what direc...