A gymnast swings on the high bar as shown in Figure P5.29. Starting from rest di

Question

A gymnast swings on the high bar as shown in Figure P5.29. Starting from rest directly over the bar, he swings around the bar while keeping his arms and legs outstretched. Treating the gymnast as though his entire mass were concentrated at a point r = 1.12 m from the bar, determine his speed as he passes under the bar at position A.

A gymnast swings on the high bar as shown in Figure P5.29. Starting from rest directly over the bar, he swings around the bar while keeping his arms and legs outstretched. Treating the gymnast as though his entire mass were concentrated at a point r = 1.12 m from the bar, determine his speed as he passes under the bar at position A.

Explanation / Answer

v = sqrt(2*9.8*1.12*2) = 6.62 m/s

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