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By observation, and deduction. If, for example, an object's speed increases, you can conclude that its kinetic energy increases. The energy, of course, must come from somewhere, so there is some sort of energy transformation. If a car maintains a constant speed despite friction, you can conclude that the energy lost to friction must be compensated - in this case, by the engine. Etc.
What else can I help you with?
The burning of a fuel transforms which energy?
The burning of a fuel transforms chemical energy into heat and light energy.
An electric blanket transforms electrical energy to?
it transforms it to and energy called El Nino
In nuclear fusion mass transforms into what?
In nuclear fusion mass transforms into energy.
What transforms energy in food molecules to energy?
the cytoplasm
A generator transforms?
A generator transforms mechanical energy into electrical energy.
What organelle transforms one energy to another?
The mitochondria is the organelle that transforms chemical energy (in the form of glucose) into ATP, which is the cell's main energy currency.
What are examples of mechanical energy transforms into a electrical energy?
Alternator
What is a device which transforms electrical energy to sound energy?
A loudspeaker
Which energy transformation is an electric fan?
electrical energy transforms into machenical energy.
What type of energy is a cake?
Chemical energy transforms to thermal energy when baking a cake.
After being absorbed by plants solar energy transforms into what?
Chemical energy
What transforms light energy into use able energy?
Solar panels
