Physics, 16.09.2019 20:30 sandersmakaylaovq5vu

Acertain battery can power a 100 ohm-resistance device for 4 hours. how long can the battery power a 200 ohm device?

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Too easy:

100Ω/4 sec = 200Ω/t

t= 8 sec

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Answer from: Quest

the unit of the measure = $\frac{j}{kgk}$

explanation:

the property that is quantified by the energy needed per of material to raise the temperature by one.

si unit of energy = joule (j)

si unit of temperature = kelvin (k)

si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is $\frac{j}{kgk}$

Answer from: Quest

what is the actual question though?

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