What is a Kw-hr of Energy?

What is a Kw-hr of Energy? 150 150 Affordable Capstone Projects Written from Scratch

Based on our discussion on the first day of class, define, in any form, what is meant by a kW-hr of energy. Write up your analysis in a professional technical memorandum (give an example that gives a kw-hr) here is my example, 4186 Joules= 1 Kilo-calorie(kcal) 4.186 joules= 1 calorie 1000 meals and each meal is 860 calories and consisted of: – about 8 oz. boneless skinless chicken breast -1 T coconut oil -1/2 c (maybe more) of mashed cauliflower -6 green olives pitted -1 small green apple -2 (ish) T raw almond butter unit conversion: 860 C* 4186 J* (Kw-hr/3.6 MJ)= 1 Kw-hr C= calorie J= joule Kw= kilowatt

 

 

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To understand the metric kilowatt per hour, it is important to first go through the basics of energy, work, and power. In descriptive terms, work is a product of force and distance. Alternatively, we could refer to work as a function of energy. They are more or less equal to each other in any given scenario. Work done is the sum of the total energy consumed. As a function of force and distance work can be measured in Newton-metres (Nm). One Nm is the equivalent of one joule (J) (SantoPietro). In nutrition, energy is measured in calorie units. Power is defined as the rate of doing work. It is the rate at which energy is converted. Power is expressed as a function of energy or work and time. A single Watt (W), the SI unit of power, is equivalent to one joules per second.

Since joules is a small quantity,  energy is usually quantified in terms of kilowatt-hours. If the rate of energy consumption is constant, the total energy being used over a measured period of time is equal to the product of power and time. This means that a single kilowatt-hour is the equivalent of 3.6 × 106 joules.


 

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