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The description of the movement of bodies by their position, velocity, acceleration (and possibly higher time derivatives, such as, jerk) without concern for the underlying dynamics/forces/causes.

1 vote
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If two bodies move constantly but with different speed, do they move with acceleration relat...

No, there would be no acceleration. If we have $x_1 = v_1 t + x_{1,0}$ and $x_2 = v_2 t + x_{2,0}$, then the distance between them is described by $x_2 - x_1 = (v_2 - v_1) t + x_{2,0} - x_{1,0}$. As …
Pawr's user avatar
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3 votes

Theory behind the relationship between the mass of a cylinder and the time taken for it to r...

I went ahead and found the equation of motion of a cylinder rolling down a ramp, neglecting rolling friction$^1$ but including quadratic drag. Quadratic drag means that the drag force is proportional …
Pawr's user avatar
  • 991