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The contraction of a muscle cell is an example of mechanical work.
I have no idea :) Hahahahahahahaha
No chemical process could provide the energy that the sun does for as long as it has. At the sun's mass and energy output, any chemical process would have exhausted its supply in a few hundred to a few thousand years. The sun has maintained roughly the same energy output for several billion years.
bacterial action, as from decomposition of sewage, chemical action, such as from rust, displacement by inert gases (e.g., nitrogen), and consumption, as from breathing or combustion from fuel-powered engines.
I don't think burning a gas to power a car is either Chemical nor Physical. If you burn gasoline to power a car, it is therefore a chemical AND physical change because both the chemicals and the look changes. However, a car being powered has nothing to do with the substance of gas being changed. If the car uses the gas to power itself, it'll turn the gas into gas again, so I'm not sure how this works. In conclusion, it's probably neither.
The contraction of a muscle cell is an example of mechanical work.
No. Gasoline will work in the dark. Gasoline is powered by the chemical reaction that causes the flames when ignited.
I have no idea :) Hahahahahahahaha
Most moving vans are powered by burning either gasoline or diesel fuel; in either case, it's chemical energy.
Lawn mowers are available as electrically powered or gas powered. For an electrically powered mower, the question gets a bit messy. Sure the mower itself is using electricity, but then there's the question where that electricity is coming from. Might be solar, nuclear, hydro, wind or even chemical energy that was used to generate the electricity. For a gas powered mower, it's easier - that's chemical energy. There are also the human-powered, hand-pushed mowers. They would be powered by humans, which are powered by chemical energy. Stored Energy (Electricity, Petrol) to Kinetic Energy (Movement) with the by-product of heat energy.
It is a physical change
The way things glow is because some chemical compounds absorb light that is high powered and release it in a low powered way which we see glowing.
the energy transfer is from chemical to electrical to radiant
In a Diesel powered car, chemical energy powers the car. Chemical energy heats food on a gas cooker. Chemical energy delivers electrical energy in a battery. Chemical energy powers a living organism.
The energy transformation that is in a solar powered calculator is:Device: Solar-powered calculatorInput:Solar energy and Chemical energyOutput: LightThere is 2 ways a Solar-powered calculator is worked by: Solar power and batteries. In the batteries there is chemical. On the solar powered calculator there is a little solar panel. The calculator needs light to power it up. If there is no light the batteries would be it's backup. The numbers are shown by light that the power or batteries and solar power would produce.
I would say it is actually both. Fusion itself is a chemical reaction but it is powered by a physical feature named gravity.
the conversions are solar to chemical to light to heat