Successive Posts (Leaving Cert Applied Maths): Flashcards

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Successive Posts
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Successive posts problems definition

Objects moving with constant acceleration past fixed points along a straight path

Essential kinematic equation for successive posts

s=ut+12at2s = ut + \frac{1}{2}at^2

ss in s=ut+12at2s = ut + \frac{1}{2}at^2

Displacement (distance travelled)

uu in s=ut+12at2s = ut + \frac{1}{2}at^2

Initial velocity

aa in s=ut+12at2s = ut + \frac{1}{2}at^2

Acceleration (constant)

tt in s=ut+12at2s = ut + \frac{1}{2}at^2

Time taken

First step when solving successive posts problems

Draw clear diagram showing posts, distances, and time intervals

Key strategy for creating simultaneous equations

Apply kinematic equations to individual sections AND complete journey

Type of acceleration in successive posts problems

Constant acceleration

Important unit check for successive posts

Check units are consistent (metres and seconds)

Alternative velocity equation for successive posts

v=u+atv = u + at

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