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First, clearly set out the information we know: U=0m/s, V=15m/s, T=10s, and identify the value we are wanting to find out: A=? Check that all of these value's units are in meters and seconds only. Recall ...

For any question which asks you to consider multiple forces acting on a body, the first thing you should do is draw a clear diagram, with all forces (and in this case angles) labelled.Once this has been d...

To answer this question, all you have to know is that the amount of material as a function of time, M(t), is related to the decay constant, λ, by the equation

M(t) = M₀exp(-tλ)...

The word 'flux' can be used in many different contexts, but in general it refers to the amount of 'stuff' passing through a unit area of space per unit time. In the case of light sources, we can measur...

From the equation for speed: Speed = frequency * wavelength 
=> v = 1000 * 0.34 = 340 metres per second