Determine the horsepower input for a motor
Determine the horsepower input for a motor necessary to lift a 200 kg box at a constant rate of 2 m/s. The overall efficiency of the system is 0.8.
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A spherical capacitor is comprised of a solid inner conduction sphere of radius a with positive charge Q and an isolated, concentric, thin outer conduction shell of radius b and charge -Q. Derive the capacitance expression for this arrangement. Wh
What is the temperature at the exit of the valve in oC? what is the internal energy (kJ/kg) of the refrigerant at the exit of the valve?
A steam turbine produces 3000 hp with a mass flow rate of 22,000 pounds per hour. The steam enters at 1100 °F and 900 psi and exits at 2.5 psi.
The power per unit area reaching Earth from the sun at the top of the atmosphere at the equator is 1.36 x 10^3 W/m^2, which is called the "solar constant". assuming that the earth radiates like a blackbody at uniform temperature, what do you conc
The 50-mm radius pulley A of the clothes dryer rotates with an angular acceleration of alpha = 24*(theta)^(1/2) rad/s^2, where theta is in radians. Determine its angular acceleration when t = 2s, starting from rest.
Liquid water at 453 K and 1002 kPa has an internal energy of 762 kJ/kg and a density of 890 kg/m3. (a) What is the enthalpy (per weight and per volume)?
The yield stress of a tension specimen machined from a 0.5 m wide by 0.6 cm thick copper sheet is 145 MPa. The sheet is rolled further in the plane of the sheet with an applied tensile force of 0.22 MN.
Consider a large vessel divided into two chambers by a dividing nwall, such as that described in lecture on 23 Feb. The vessel and its contents are at 298 K and the dividing wall is 0.001 m thick rubber.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult