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How many seconds does it take for a "car" to turn a certain amount of degrees? *math*?
Alright, I have a robot. The wheels have a radius of 1.1 inches. The distance between the wheels is 6.875 inches. I put a marker on the wheel and observed it spin 2.25 RPS (revolutions per second.) I need a function that will tell me how many seconds my wheels need to be spinning to achieve a specific amount of degrees.
2 Answers
- PuzzlingLv 73 years ago
Every second it turns 2.25 times (2.25 revolutions per seconds)
And each revolution is 360°
2.25 rev/sec * 360°/rev = 810°/sec
To convert your measurement in degrees to seconds, you would divide by 810.
Answer:
time = degrees / 810°/sec
For example, to turn 1620° would take 2 seconds.
To turn 405° would take 0.5 seconds.
P.S. The radius of the wheels and the distance between them is irrelevant.
- az_lenderLv 73 years ago
Nobody can answer this without knowing something about your steering system. Do your wheels have a differential? Or are they like shopping-cart wheels, which rotate freely on a vertical axis? Etc etc.
If you're just asking how many seconds it takes for the wheel to ROTATE through a certain angle, that's simple: apparently your wheels spin
810 degrees per second, so the time (in seconds) to rotate through D degrees would be D/810.
