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zamanie
Oct 25, 2013, 11:15 PM
a spoke of a bicycle wheel turns through 8,42 radians in 1 sec hw long will it take the wheel to complete 4 revolutions

Celine91
Oct 26, 2013, 05:02 AM
1 revolution = 2 pi radians
and pi = 3.14
so 4 revolutions = 4 * 2 * 3.14 radians
dont have a calculator, rest is very obvious.