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What is the change in internal energy if 20 joules of heat is released from a system and the system does 50 joules of work on the surroundings?
-70 Joules
What is the time taken by a body to perform 440 Joules of work at rate of 11 watt?
11 watts = 11 joules per second(440 joules) / (11 joules per second) = 40 seconds
What is the SI-Unit fir work?
SI unit for work is joules. It is written as J.
What does not have the same units as the others Kinetic Energy Momentum Potential Energy or Work?
Momentum does not have the same units as the others. Kinetic energy is measured in joules, potential energy in joules, work in joules, but momentum is measured in kilogram meters per second (kg m/s).
What is energy measure in units?
Energy is the ability to do work . It is measured in Joules.
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%.
Find the efficiency of a machine that does 800 joules of work if the input work is 2400 joules?
.33
How many joules of work would be accomplished if you move a 200 kg slug 10 meters?
2000 joules
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 efficiency formula of lever?
The efficiency of a lever can be calculated using the formula: Efficiency = (output force × output distance) / (input force × input distance) * 100%. It represents the ratio of the output work done by the lever compared to the input work applied to the lever.
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 efficiency of a pulley system when its work out equals 100 joules and its work in equals 150 joules?
The efficiency of a pulley system can be calculated using the formula: Efficiency = (Work out / Work in) x 100%. Plugging in the given values, Efficiency = (100 / 150) x 100% = 66.67%. This means that 66.67% of the input work is effectively being used to do the output work, with the remaining 33.33% being lost as heat or other forms of energy.
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%.
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
How many joules of work would be accomplished if you moved a 200-kg rock 10 meters?
190
What is the mechanical efficiency of a machine that produces 400 jouls of work output from a work input of 500 joules?
The efficiency is 80%. To find the efficiency, 400/500 = 80%.
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%.
