Physics

Physics, 12.07.2019 11:00, clara384

Is turning off the light closed energy?

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Chemistry, 03.07.2019 12:00, caitalymom

What type of energy transformation is ocuring in this closed series circuit? a) thermal energy into light energy b) sound energy into thermal energy c) electrical energy into light energy d) light energy into electrical energy

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Chemistry, 15.07.2019 00:00, dontap3037

Which is true according to the law of conservation of energy? a. in a closed system, the total amount of energy in the universe keeps on changing. b. the supply of energy is limited, so it is essential to conserve it. c. in a closed system, energy can be created and destroyed. d. in a closed system, energy cannot be used faster than it is created. e. in a closed system, the total energy always remains constant.

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Biology, 31.08.2019 00:30, charliiboddie29

Deep-ocean lantern fish have special organs that use chemical energy to produce light. however, the light can only travel a certain distance through the water before it is no longer visible. how does this phenomenon validate the law of conservation of energy? the fish is a closed system, so energy is allowed to exit the system. the law of conservation of energy applies to biological, not physical, systems. the light energy travels through the water until it is reflected or absorbed. the light is not carried by matter and contains no energy.

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Physics, 28.09.2019 21:10, shealwaysknows23

Match the sequence number with the energy transformations from the water behind a hydroelectric dam to the lighting of a light bulb. 1. rain falls, being trapped behind dams 2 2. energy transferred to home to power light bulb 3 3. turbines generate electrical energy 1 4. potential energy of water behind dam converted into kinetic energy by turning turbines 4

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