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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...
The current is the rate of flow of charge. It is a measure of how many electrons pass a point over a certain amount of time. We measure current using an ammeter which gives current in Amps. Current is usu...
E=1.5MeV = (1.5x10^6)(1.6x10^-19)J = 2.4x10^-13J E=hf, f=E/h = (2.4x10^-13)/(6.63x10^-34)=3.6x10^20Hz
The alternating current flows through the transmitted coil and produces a magnetic field around the coil. (1 mark) When the detector passes over a magnetic object, the magnetic field passes through the ob...
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