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No. It is not reasonable. If that ever happened, we would have to ask where the

additional 40 joules came from, since energy cannot be created or destroyed.

If there were something inside the box that added 40 joules to the 110 passing through,

then that 40 would need to be added to the "input" work.

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What is the effciency of a car's engine when heat input is 2000000 joules and the waste heat is 1500000 joules?

The efficiency of the car's engine is calculated as the ratio of the useful work output to the total heat input. In this case, the useful work output is 500000 joules (2000000 J - 1500000 J) and the total heat input is 2000000 joules. Therefore, the efficiency is 500000 joules / 2000000 joules, which equals 0.25 or 25%.


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%.


What is the output work of a machine when its efficiency is 62 percent and the input is 39 J?

To calculate the output work of a machine, you can use the formula: Efficiency = (Output Work / Input Work) * 100%. Given that the efficiency is 62% and the input work is 39 J, you can rearrange the formula to solve for the output work. First, convert the efficiency to a decimal (62% = 0.62) and then plug in the values to find the output work. The output work of the machine would be 24.18 J.


What is the efficiency of a street cleaners engine when is that heat input is 200000 Joules and the waste he is 150000 Joules?

The efficiency of the street cleaner's engine is calculated by dividing the useful output (work done) by the input energy. In this case, the useful output is 150000J (work done) and the input energy is 200000J. The efficiency would be 150000J / 200000J = 0.75 or 75%.


What is the formula of each simple machine by getting the work exerted by the machine?

The formula for work exerted by each simple machine is: Lever: Work = Input force × Input distance = Output force × Output distance Inclined plane: Work = Input force × Input distance = Output force × Output distance Pulley: Work = Input force × Input distance = Output force × Output distance Wheel and axle: Work = Input force × Input radius = Output force × Output radius Wedge: Work = Input force × Input distance = Output force × Output distance Screw: Work = Input force × Input distance = Output force × Output distance

Related Questions

What is the mechanical efficieny of a machine that produces 400 joules of work output from a work input of 500 joulesd?

.8 or 80%i.e. The output is 80% of the input.


If the work put into a lever is 930 joules and the work accomplished is 870 joules the efficiency of the lever is?

The efficiency of the lever can be calculated as the ratio of the output work to the input work, multiplied by 100% to express it as a percentage. In this case, the efficiency would be 870 joules (output work) divided by 930 joules (input work), multiplied by 100% which equals 93.55%.


What is the application of rational algebraic expression in real life situation?

Manufacturing. A machine has a work output of 14ax4 j (joules) and a work in put 7a2x5 j. What is the eficiency of the machine? efficiency in % = work output in joules work input in joules


What is the effciency of a car's engine when heat input is 2000000 joules and the waste heat is 1500000 joules?

The efficiency of the car's engine is calculated as the ratio of the useful work output to the total heat input. In this case, the useful work output is 500000 joules (2000000 J - 1500000 J) and the total heat input is 2000000 joules. Therefore, the efficiency is 500000 joules / 2000000 joules, which equals 0.25 or 25%.


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%.


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%.


What is the output work of a machine when its efficiency is 62 percent and the input is 39 J?

To calculate the output work of a machine, you can use the formula: Efficiency = (Output Work / Input Work) * 100%. Given that the efficiency is 62% and the input work is 39 J, you can rearrange the formula to solve for the output work. First, convert the efficiency to a decimal (62% = 0.62) and then plug in the values to find the output work. The output work of the machine would be 24.18 J.


What is the efficiency of a street cleaners engine when is that heat input is 200000 Joules and the waste he is 150000 Joules?

The efficiency of the street cleaner's engine is calculated by dividing the useful output (work done) by the input energy. In this case, the useful output is 150000J (work done) and the input energy is 200000J. The efficiency would be 150000J / 200000J = 0.75 or 75%.


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 a comparison of a machine's work output and work input?

Output is always greater than input. The output is multiplied from input.


What is the formula of each simple machine by getting the work exerted by the machine?

The formula for work exerted by each simple machine is: Lever: Work = Input force × Input distance = Output force × Output distance Inclined plane: Work = Input force × Input distance = Output force × Output distance Pulley: Work = Input force × Input distance = Output force × Output distance Wheel and axle: Work = Input force × Input radius = Output force × Output radius Wedge: Work = Input force × Input distance = Output force × Output distance Screw: Work = Input force × Input distance = Output force × Output distance


The efficiency of a ramp is 75 percent If the amount of work input is 240 J what is the amoun t of useful work output?

The formula for percent work efficiency is: percent efficiency = (work output/work input) x 100 To find the answer to this question, you just need to plug the given values into the formula. The problem tells you that the work input is 240 J and the percent efficiency is 75 %, so 75 = (work output/240) x 100 Now, solve for work output: -first divide by 100 .75 = (work output/240) -then multiply by 240 180 J = work output (in units of joules because work is measured in joules) And there's your answer. Hope this helped!