How do I extrapolate a point from a generated graph.

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Cheng-Han Yang 2019-4-21

评论： Star Strider 2019-4-21

So this is the question

The velocity (ms-1) of a car is measured every minute for 24 minutes and recorded as:

vel = [0 .45 1.79 4.02 7.15 11.18 16.09 21.90 29.05 29.05

29.05 29.05 29.05 22.42 17.9 17.9 17.9 17.9 14.34 11.01 8.9

6.54 2.03 0.55 0];

How long did the object take to pass 250m?

I have successfully generated a time against cummulative distance graph, but I'm stuck now.

Many thanks

Star Strider 2019-4-21

The easiest way is to use the interp1 (link) function to get the time when the car has travelled 250m.

Cheng-Han Yang 2019-4-21

Cheers mate! :)

Star Strider 2019-4-21

Cheers!

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