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specific heat capacity of water, c = 4200J/kgKFirst student should understand that due to no heat losses the energy provided by mains socket to kettle is the same energy as the heat which changes th...
A cyclotron is constructed of two hollow, D-shaped electrodes that accelerate particles; they are opposite each other and there is a small gap between them. A magnetic field is used to bend the particle t...
Mirrors can be made much larger than lenses (meters compared to around 1m max). Mirrors do not produce chromatic aberration. Mirror glass does not need to be as high quality as lens glass. Mirrors produce...
E = hfE = energyh = planck's constant = 6.63 x 10-34f = wave frequencyc = fλf = c/λE = hc/λc = 3.0 x 108 The speed of light which in this case is the speed of the ...
For this question, we will use moments. A moment is defined as:Moment = force x perpendicular distance from pivotHere, the moment of the 30kg mass which acts anti-clockwise through the pi...
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