A bob is pulled sideway so that string becomes parallel to horizontaland released. Lengthof the pendulum is 2 m. If dueto air resistance loss of cergy is 10%, what is the speed withwhich the bob arrived at the lowest point

A bob is pulled sideway so that string becomes parallel to horizontala

1.	A bob is pulled sideway so that string becomes parallel to horizontaland released. Lengthof the pendulum is 2 m. If dueto air resistance loss of cergy is 10%, what is the speed withwhich the bob arrived at the lowest point
Answer» ANSWER :`1/2mv^(2)=90%"of MGH"` `THEREFORE v=6m/s`