Question 3 Determine the first two critical speeds for the shaft shown in figure 5.38 of...

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Question 3 Determine the first two critical speeds for the shaft shown in figure 5.38 of the prescribed textbook, stating and discussing the practical implications for any assumptions made. Young's modulus for steel should be taken as 200GN/m. Show all the calculations. [15] Question 3 Determine the first two critical speeds for the shaft shown in figure 5.38 of the prescribed textbook, stating and discussing the practical implications for any assumptions made. Young's modulus for steel should be taken as 200GN/m. Show all the calculations. [15]