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Isotopes of an element exist when the atoms of an element have different numbers of neutrons, or in other words the same atomic number but a different mass number.
Speed is how fast an object is moving, whereas velocity is an objects speed in a given direction.
Current is the rate of flow of charge in a circuit; you can imagine the flow of electrons as water flowing through a pipe. If the pipe splits into two, some of the flow will go through one pipe and som...
To integrate ln(x) you will need to use intergration by parts. As you can differentiate ln(x) (it is equal to 1/x) and there is an implied 1xln(x). As a result you can differentiate ln(x) and integrate...
The frequency is reduced by:
- Adding extra mass (greater 'm'): This is because the extra mass increases the inertia of the system
- Using ...
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