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Toasters, blow dryers, and electric space heaters do their jobs via electric resistance heating: when electricity flows through a high-resistance wire, the temperature of the wire goes up, and heat is dissipated from the wire to the surroundings. A particular toaster uses 20 feet of a Nichrome resistance wire to cook toast. The diameter of the wire is 0.0285 inches.
a. Estimate the radiant heat transfer from the wire. You can assume that the surface temperature of the wire is approximately 750°C.
b. About how much current will this toaster use when connected to a 110 V power source? Show all steps and work for each part.
What social, political, and economic changes pulled the North and the South farther apart? What was the final determining factor that led to Southern secession?
What does the content attribute of a value state?
Consider economic segregation, culturally-based schools (i.e. African American, Latino, or Native American), gender-specific, or charter schools and provide examples from your own experience.
Find a current news article about a business-related event that involves a crime or has the potential for criminal prosecutions. Identify possible crimes and evaluate whether the required elements are satisfied.
A food storage chamber requires a refrigeration system of 15-ton capacity operating at an evaporator temperature of -8°C and a condenser temperature of 30°C. Refrigerant ammonia (R-717) is used and the system operates at saturated conditions.
A patient has a stenotic mitral valve which has a reduced effective orifice area of 1.0 cm^2. The systolic ejection period is 330 milliseconds with a heart rate of 70 beats/min. The mean aortic gradient (as measured by echocardiography) is 25 mmHg. U..
An individuals arm segment is 0.15m long and has an angular velocity of 123 degrees per second. What is the tangential velocity of the wrist?
What roles does gender play in terrorism? Are there any distinctions between women and men's activities as terrorists? Are there any distinctions in how men and women understand terrorism and its uses?
Which person or group conjoined ideological socialism with strong nationalism and support of Islam to the extent that local government is in the hands of imams?
Explain the history of motivation theory in I/O psychology based on: Freud's Instinct theory, Maslow theory, Skinner's Behavioral theory, and Kurt Lewin's group dynamics. Explain the dynamic relationship of Motivation and personality.
Scope ____________________ is often achieved by a customer inspection and then sign – off on key deliverables.
The faculty and staff at Dana-Farber Cancer Institute in Boston are required to undergo a tuberculosis test each year. Use the following table to answer each question.
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