The shaft in Fig. 1 has a spring constant at the center of 700 N/mm. The mass is 5 kg with...

The shaft in Fig. 1 has a spring constant at the center of 700 N/mm. The mass is 5 kg with center located 80 mm from the shaft center. Find the deflection y at the center under a steady rotation of 1750 rpm. Neglect weight of shaft.

Figure 1