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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 ...
[This question and answer are intended as an example of part of a tutorial on the conservation of energy for an A-Level physics student.]
Question...
The SUVAT equations are used when acceleration is constant and velocity is changing. If speed is constant, you can use the speed, distance and time triangle. They can be used to work out initial and fi...
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