A brass ring with a cross section of 2X5 mm and a diameter of several centimeters was heated to a temperature of 573 ° K and tightly placed on a steel cylinder having a temperature of 291 ° K. What tensile force does the ring experience after cooling to 291 K? Coefficient of linear expansion of brass a = 1.84·10-5 l/deg. Young's modulus E=6.47·1010 n/m2.

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