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Simple harmonic motion describes the motion of an object which has an acceleration that is directly proportional to its displacement from the equilibrium point and when the accelerations acts in the oppos...
To gain all of the marks, 4 different points must be made. To begin, state what is obvious:
The density of the gold nucleus is much greater than the density of the gold atom.
Forced vibration:
The object oscillating will vibrate upwards and downwards with the same frequency the driving oscillation is at. The amplitude of the v...
Speed is a scalar quantity, meaning that it only has a magnitude. Acceleration is a vector quantity, meaning that it has a magnitude and a direction. Velocity is the vector quantity equivalent of speed...
The star begins as a stellar nebulae. This is a dense cloud of gas and dust containing hydrogen and helium. As it is under a large amount of gravitational pressure, this nebula will then collapse under...
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