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# position of an arc

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Hello I am trying to calculate the position of a two wheeled mobile robot. the robot moves in an arc. The left wheel moves at 2m/s and the right wheel moves at 1.5m/s They do this for two seconds. The distance betweent the wheels is 0.5m The centre of the wheel axis is at (0,0) Hence 0.25 away from each wheel. How can I work out the new coord of the centre of the wheel axis after the above movement has finished. Cheers Richard

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Homework? Why else would anyone specify particular numbers with such detail?

Anyway:
- Find the center of the curve that the robot describes (both wheels should have the same angular speed).
- Find the arc (in radians) completed after 2 seconds.
- Find the point you want (using cos() and sin()).

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I have to agree with alvaro''s analysis, and I''m closing the thread. I know you have generally posted on-topic posts to various threads, but based on information on your home page and the nature of the question this seems to be obviously a homework/schoolwork question. And you don''t show your own work before asking.

Graham Rhodes
Senior Scientist
Applied Research Associates, Inc.

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