Physics, 11.06.2020 17:57 myaaa13754
A washing machine heats 10kg of water in each wash cycle. How much energy is saved by washing at 30'c instead of 50'c if the starting temperature of the cold water is 16'c? The specific heat capacity of water is 4200 J/Kg'c The two equations you can use is in the picture.
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Aphysical change is a change in the size, shape,, or stafe of matter true or false
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An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
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What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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A washing machine heats 10kg of water in each wash cycle. How much energy is saved by washing at 30'...
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