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Remember in general energy can't be created or destroyed. A stereo is converting electrical energy to vibrational energy.
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Yes, for instance potential energy can change into kientic energy and electromagnetic raditaion energy can change into thermal or chemical energy. It is also possible to change matter into energy and energy into matter.
when your moving water what does mechanical energy change to
Friction can cause kinetic energy to change into thermal energy
The electric energy in a portable stereo is in the batteries. The batteries are what supplies the power to the stereo and in turn makes it work and produce the sound.
A boombox is a portable stereo; so a stereo is portable and a boombox is not.
There are many portable stereo recorders currently available. One of the best selling brands of portable stereo recorders is Tascam's DR07mkII Portable Digital Recorder.
Electric Energy to Sound Energy.
A portable stereo recorder allows for brilliant stereo recording in a very small design. Stereo recorders allow for much higher quality recordings then regular digital recorders.
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The Walkman!
The personal stereo is also known as a Walkman. This portable personal stereo player was invented by Andreas Pavel.
The first portable stereo was not sold in America. The Stereobelt was invented in 1972 by Andreas Pavel. The Stereobelt is the ancestor of the Sony Walkman.
Alan Blumlein is the inventor of the stereo. Blumlein invented the first stereo in 1931. Many of his developments on the stereo did not reach completion until 1935.
Remember in general energy can't be created or destroyed. A stereo is converting electrical energy to vibrational energy.