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Take the equation W=Fs . We want to make one thing the subject of the equation by clearing away all the stuff we don’t want on that side of the equation. Say we want to find s . To do this draw a line under ...

Current is defined as the flow of electrons. This flow is caused by the electrons within the wire being pulled by electric field. As the electrons travel through the wire they collide with the atoms that mak...

The SUVAT equations for motion are as follows:v = u + at s = ((u + v)/2)t s = ut + (1/2)(a)(t^2) s = vt - (1/2)(a)(t^2) v^2 = u^2 + 2asThe last 3 equations can be derived from the first two, but will also be...

We know that the displacement, x, is described by the equation x = Acos(ωt + Φ), where A is the amplitude of oscillation, ω is the angular frequency and Φ is the phase shift. The velocity, v, is the time der...

In one fission reaction 2 or 3 neutrons are released at once, to ensure the effectiveness and the safety of the reaction this must be controlled. A neutron is first slowed down by a moderator, which is usual...