28. Describe the energy changes involved in the following processes.
a) A battery lights a bulb.
b) Electric mixer jar.
c) An arrow is shot from a Bow.
d) Rolling down of a rock from the hill.
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a battery lights a buld......
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The energy changes involved in the following processes are:
A battery lights a bulb.
Chemical chemical energy changes to light energy.
Electric mixer jar.
Electrical energy change to mechanical energy.
An arrow is shot from a Bow.
Potential energy changes to kinetic energy.
Rolling down of a rock from the hill.
Potential energy changes to kinetic energy.
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