Question: A very old steel pole vault pole has been examined by material scientists studying properties of steel. According to the oldest Olympic pole -

scientists studying properties of steel. According to the oldest Olympic pole -

A very old steel pole vault pole has been examined by material scientists studying properties of steel. According to the oldest Olympic pole - vault coach alive, the pole was required to support a tensile force of 3k in order to be effective. The wall thickness of the pole is 0.1in. a) Find the minimum required outer diameter if the allowable tensile stress when someone vaulted was 12,000 psi? (Round to 3 decimal places) min b) Back in the day someone sabotaged the world record vaulter and drilled a hole in the middle of their steel pole that was 1/10 the size of the outer diameter. Luckily the vaulter was not injured and continued to break records. Repeat part (a) taking the hole into consideration. (Round to 3 decimal places) dmin = in.

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