Kayla says that turning on a radio involves an energy transformation, but joey says that energy cannot be transformed.
which of the following arguments can kayla use to prove she is correct?
a
the radio has potential energy when it is plugged into an outlet, and it is transformed into kinetic energy when the radio is turned on.

b
the radio has potential energy when it is plugged into an outlet, and it is transformed into sound energy when music is played using the radio.

c
the radio needs electrical energy to work, but the electrical energy is transformed into mechanical energy that is used to find a radio station.

d
the radio needs electrical energy to work, but the electrical energy is transformed into sound energy that is used to hear the songs that are playing.

The correct option is D) The radio needs electrical energy to work, but the electrical energy is transformed into sound energy that is used to hear the songs that are playing.

Explanation:

Kayla is right, energy transformations take place for any phenomenon to occur.

Energy can be described as the ability to do work.

Electrical energy can be described as the form of energy which arises by the flow of an electric charge. Sound energy is the energy produced from the sound waves which become audible for the humans.

When a radio is turned on, the electrical energy gets converted into sound energy which can be heard by us.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

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