In a circus the diameter of the globe of depth is 20 m calculate the minimum heightmust a cyclist start in order to go round the globesuccessfully

In a circus the diameter of the globe of depth is 20 m calculate the m

1.	In a circus the diameter of the globe of depth is 20 m calculate the minimum heightmust a cyclist start in order to go round the globesuccessfully
Answer» Solution :Whenthe cyclistrollsdownthe inciline `mgh = (1)/(2)MV^(2)` `:.`velocitygained`v=SQRT(2gh)` forloopingthe loopthe minimumvelocityat THELOWEST point`=sqrt(5gr)` `h= (5r)/(2 )` `=(5)/(2) XX (10) =25 m` Heightof thecyclist `=25` m