collegebound29601 collegebound29601
  • 12-08-2019
  • Physics
contestada

An electric wheel chair is designed to run on a single 12-V battery rated to provide 100 ampere-hours. How much energy is stored in this battery?

Respuesta :

Muscardinus Muscardinus
  • 14-08-2019

Explanation:

It is given that,

Voltage of the battery, V = 12 V

Current, I = 100 ampere-hours

Energy stored is given by the product of power and time taken. So,

[tex]E=P\times t[/tex]

P is the power, [tex]P=V\times I[/tex]

[tex]P=12\times 100[/tex]

P = 1200 watts

This power can be used for 1 hour or 3600 seconds

Energy, [tex]E=1200\times 3600[/tex]

E = 4320000 J

So, the energy stored in this battery is 4320000 J. Hence, this is the required solution.

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