Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:
The rate of spin of a certain gyroscope doubled every 10 [#permalink]
14 May 2005, 05:32
0% (00:00) correct
0% (00:00) wrong based on 2 sessions
The rate of spin of a certain gyroscope doubled every 10 seconds from the moment a particular stopwatch started. If after a minute and a half the gyroscope reached a speed of 400 meters per second, what was the speed, in meters per second, when the stopwatch was started?