ques In partucular 8-hour perid, how many reveloutions did the motor of certain generator make?

1 the motor make 50 reveloutions in every second that it ran in that period

2 the generator ran total 20 mins out of every hour of that period

Ques In the figure q,p are points in the first and second quardrant, repectively. Does y axix bisec segment pq

1 -r=x

2 y=s