Question 313364
A large windmill (for electricity generation) makes about 300 000 revolutions
during a week when the wind blows constantly all the time.
Which time, in seconds, is closest to the length of time for a single revolution?
:
Find the no. of seconds in a week
7 * 24 * 60 * 60 = 604,800 sec
:
Find the sec/revolution
{{{604800/300000}}} ~ 2 sec/rev