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From newton's first law, an object remains in its inertial frame until a force acts upon it. This means that according to a stationary observer, the object will remain at rest or continue moving at the...

v = f x lambdatherefore lamba = v/ff=1/Tf = 1/0.2 = 5Hzlambda = 20/5 = 4m

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)...