Posted by Anonymous on Friday, December 10, 2010 at 1:32am.
You posted this question twice.
They tell you how far it travels in 20 seconds. Divide the circumference by that time to get the speed.
The average velocity will depend upon the time interval of the measurement. For any multiple of 20 seconds, you end up on the same place. That should be a clue.
Related Questions
physics - A toy train is on a track which has a circumference of 10 meters. The ...
physics - A toy train rolls around a horizontal 1.0-{\rm m}-diameter track. The ...
physics - 1)A toy train is initially at rest on a track fastened to a bicycle ...
physics - A toy train track is mounted on a large wheel that is free to turn ...
Physics - Some how TRAIN A travelling at 36 m/s, is accidentally sidetracked ...
Physics - A train travels 84 km/h when it reaches a slower train 47 meters ahead...
Calculus - A train driver is driving along and he suddenly puts on the brakes. ...
CALculus - A train driver is driving along and he suddenly puts on the brakes. ...
Physics - A train is moving towards a destroyed bridge. The velocity of the ...
Physics - A train travels 84 km/h when it reaches a slower train 47 meters ahead...
For Further Reading
