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lilavasa [31]
3 years ago
12

Does light have mass?

Physics
2 answers:
Lapatulllka [165]3 years ago
5 0
No, light does not have mass because a photon does not way anything.  
marishachu [46]3 years ago
3 0
No lights do not have a mass
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If 28.0 J of work is done by an external force to move a charge from a potential of 8.0 V 8.0 V to a potential of 4.0 V , 4.0 V,
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Answer:

Change in electric potential energy is -28.0 J

Explanation:

Electric potential energy is defined as the work is done to move a charge particle from one position to another in space in the presence of other charge particle or electric potential.

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Electric potential energy is also equal to the change in the configuration of the charge particles.

Thus,

Change in electric potential energy = - Work Done

According to the problem, Work Done is equal to 28 J. Thus,

Change in electric potential energy = -28 J  

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