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The Work-Energy principle states that the total work done on or by an object is equal to the total change in energy between the given initial and final states. This can be reworded to also say that the to...
In a series circuit each resistor will have the same current passing through it. If we assume that the wires connecting the resistors have no resistance, then the total potential difference, V, is given ...
Begin with a diagram of the system, and definition of directions. Vertically up and clockwise rotations are positive. It must be recalled that in SHM force is proportional to displacement from equqilibriu...
2u-32=53=15, 2u=15+6. Therefore, u=10.5m/s. This is a standard type of question, it is simply about conservation of momentum. Momentum (p) is equal to massvelocity. Initially, the first body ...
When any question requires a formula, it is best to write down what is given to you in symbol form. You can then easily select the relevant equasions from the data sheet. Remember the multipliers! Take fo...
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