What is the power delivered by the motor drawing the belt
Sand drops from sationary hopper at the rate of 5kg/s on to a conveyor belt moving with a constant speed of 2m/s. What is the power delivered by the motor drawing the belt?
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If the equation for the regression line is y'=7-9X, then a value of x=-1 will result in a predicted value for y of
If the correlation coefficient r is equal to 0.476, find the coefficient of determintation.
If the correlation coefficient r is equal to 0.726, find the coefficient of determination and the coefficient of non-determination.
If the cylinder head is milled so that the original clearance is reduced to 0.4 cm, by what percentage will the engine efficiency change if the engine retains the original stroke?
The heat engine does maximum work equal to 600kJ. Determine the heat supplied to the heat engine, heat rejected to the heat sink, and the temperature of the heat sink.
A heat pump has a coefficient of performance of 2 using a power input of 2 kW. Its low temperature is To and the high temperature is 80oC, with an ambient at To. Find the fluxes of exergy associated with the energy fluxes in and out.
An air compressor takes air in at the state of the surroundings 100 kPa, 300 K. The air exits at 400 kPa, 200°C at the rate of 2 kg/s. Determine the minimum compressor work input.
An air conditioner can produce a 120 kJ/min cooling effect while rejecting 2.5kW of heat. What is its COP and the electricity it consumes?
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In class we discussed the ways in which violence can actually be functional for society.
From a functionalist perspective, discuss the difference between latent and manifest functions and discuss the 3 different latent functions
Question: Which function of deviance is served by candlelight vigils following acts of mass violence?
How would you describe power in an organization? More importantly, how would you go about taking a critical approach to studying power in a restaurant
Research and compare national dropout rates to a school you know (or a school in your state) - explain why you think there is a difference between the two rates
Question: The World Economic Global Forum has identified two threats to future economic well-being. They are ______.
Question: Discuss your experience in a decision-making group. Does the functional perspective shed light on the process?