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What is the efficiency of a machine that requires 100 joules of input energy to do 35 joules of useful work?
Wiki User
∙ 9y ago
The machine efficiency is 35 percent (35/100).
Wiki User
∙ 9y ago
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A machine requires a work input of 180-joules to achieve a work output of 140-joules. What is the efficiency of the machine?
The efficiency of the machine is calculated by dividing the work output by the work input and then multiplying by 100%. In this case, the efficiency is (140 / 180) * 100% ≈ 77.78%.
What does efficiency tell you about a machine?
Efficiency tells you how well a machine converts input energy into useful work output. A higher efficiency indicates that the machine wastes less energy during operation, resulting in better performance and cost-effectiveness.
How much mechanical energy will be provided by a motor that is 70 percent efficient and requires 1960 joules of energy?
To calculate the mechanical energy provided by the motor, you need to divide the input energy by the efficiency of the motor. In this case, with 70% efficiency, you would divide 1960 joules by 0.70 to find that the mechanical energy provided would be approximately 2800 joules.
How Efficiency is measured in joules?
Efficiency is typically measured as the ratio of useful energy output to the total energy input, expressed as a percentage. In terms of joules, the efficiency can be calculated as the useful energy output in joules divided by the total energy input in joules, multiplied by 100. This calculation helps assess how effectively a system converts energy input into useful output.
How much heat energy is produced from 3000 joules of electrical energy?
The amount of heat energy produced from electrical energy depends on the efficiency of the system. If we assume 100% efficiency, then all 3000 joules of electrical energy would be converted into heat energy. Thus, 3000 joules of electrical energy would produce 3000 joules of heat energy.
What is the machine efficiency of a machine that produces 400 joules of work output from a work input of 500 joules?
The efficiency is 80%. To find the efficiency, 400/500 = 80%.
A machine requires a work input of 180-joules to achieve a work output of 140-joules. What is the efficiency of the machine?
The efficiency of the machine is calculated by dividing the work output by the work input and then multiplying by 100%. In this case, the efficiency is (140 / 180) * 100% ≈ 77.78%.
What is the efficiency of a machine that requires 150 J of input energy to do 20 J of useful work?
The idea here is to divide the useful work by the input energy. (Note: Usually "power" would be used instead of "energy"; power is measured in joules/second.)
What does efficiency tell you about a machine?
Efficiency tells you how well a machine converts input energy into useful work output. A higher efficiency indicates that the machine wastes less energy during operation, resulting in better performance and cost-effectiveness.
Find the efficiency of a machine that does 800 joules of work if the input work is 2400 joules?
.33
How much mechanical energy will be provided by a motor that is 70 percent efficient and requires 1960 joules of energy?
To calculate the mechanical energy provided by the motor, you need to divide the input energy by the efficiency of the motor. In this case, with 70% efficiency, you would divide 1960 joules by 0.70 to find that the mechanical energy provided would be approximately 2800 joules.
How Efficiency is measured in joules?
Efficiency is typically measured as the ratio of useful energy output to the total energy input, expressed as a percentage. In terms of joules, the efficiency can be calculated as the useful energy output in joules divided by the total energy input in joules, multiplied by 100. This calculation helps assess how effectively a system converts energy input into useful output.
How much heat energy is produced from 3000 joules of electrical energy?
The amount of heat energy produced from electrical energy depends on the efficiency of the system. If we assume 100% efficiency, then all 3000 joules of electrical energy would be converted into heat energy. Thus, 3000 joules of electrical energy would produce 3000 joules of heat energy.
What is the mechanical efficiency of a machine that produce 400 joules of work output from a work input of 500 joules?
The efficiency is 80%. To find the efficiency, 400/500 = 80%.
What is the mechanical efficiency of a machine that produces 400 joules of work output from work input of 500 joules?
The efficiency is 80%. To find the efficiency, 400/500 = 80%.
You have just designed a machine that uses 1000 joules of work from a motor for every 800 joules of useful work the machine supplies What is the efficiency of your machine?
The efficiency of the machine can be calculated as the ratio of useful work output to total work input, multiplied by 100 to express it as a percentage. In this case, the efficiency would be 80% (800/1000*100).
What is the mechanical efficiency of a machine that produces 400 joules or work output from a work input of 500 joules?
The mechanical efficiency can be calculated as the ratio of work output to work input, multiplied by 100%. In this case, the efficiency would be (400/500) * 100% = 80%. So, the mechanical efficiency of the machine is 80%.
