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The solid circular steel shaft of a screwdriver is subjected…
The solid circular steel shaft of a screwdriver is subjected to a pure torque of T = 16 lb·in. The shaft has a diameter of 0.241 in. and a length of L = 4.50 in. The shear modulus of the steel is G = 11,000 ksi. Determine the magnitude of the angle of twist of the shaft in degrees.
The solid circular steel shaft of a screwdriver is subjected…
Questions
The sоlid circulаr steel shаft оf а screwdriver is subjected tо a pure torque of T = 16 lb·in. The shaft has a diameter of 0.241 in. and a length of L = 4.50 in. The shear modulus of the steel is G = 11,000 ksi. Determine the magnitude of the angle of twist of the shaft in degrees.
After 20 yeаrs teаching ecоnоmics, I chаnge careers and becоme a farmer. I buy an apple orchard, and contract with 100 Madison families to deliver each of them 20 pounds of apples from my fall harvest for $75. My apples are known to be delicious, and each family values the delivery at $150. Late in the summer, however, a tornado tears through my orchard, scattering the apples on my trees and destroying my fall harvest. A. Several of the families sue me for failing to deliver the apples I had promised. Calculate expectation damages for each of them. B. I argue that because performance became impossible, I shouldn't be penalized for breach. Who was the efficient bearer of the risk that my apples would be destroyed by a tornado? Why? Based on that, should I owe damages? Disappointed by my apple experience, I decide to sell my orchard and return to teaching. The buyer is a mining company, who believes there are underground minerals on the property worth mining for. C. After I sign the contract to sell my land, I learn that the mining company's survey had revealed underground minerals worth hundreds of times what I thought. I try to back out of the sale, saying I never would have agreed to the price if I had known how valuable the land was. Should I expect to get out of the sale? Why or why not? D. Would the sale of my land to the mining company unite knowledge and control? From an efficiency point of view, should it be enforced? Why or why not? E. Before that case is concluded, we discover - to everyone's surprise - that local regulations prohibit mining on land that is suitable for agriculture. Now the mining company tries to get out of the sale. Should they expect to succeed? Why or why not?