Question

The "Great Swing" at a country fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. Each arm supports a seat suspended from a 5.00m long rod, the upper end which is fastened to the arms at a point of 3.00m from the central shaft.
Find the time of one revolution of the swing if the rod supporting the seat makes an angle of 30 degrees.

Answer 1

4.564.8.56.4..64..564.5.71..897.91.798.178.78.7.891178.978.9117845.164..1.745..74.7.4.845.8964..84.5.48.64..4.65.45.64.54.654.6.84..867.48.6746..564.56.4.6.475.1./845.78.4.5.78465..7485.8.65.45.4545.68.5.458.5..74.5.78/9.7.4154.56.7.84.67.897.897.8.74.4.87.9.86.4789.75.46.7.684564.6678.6.458.675.4.74.7.88.6.855.88.5147.8451.4585.51576.44444444444444........../..14741477552458785871564565465..46.5..46.8.456../.8.974.5.48.94.12.98.451.8.552.78.451.84.5..7.4.89.678.74.8.6478.67.6.48.67.54.86.78..123.45..678.97.74.867.84../74.687.9./45.156.


it might be somethin' up there