An object is positively charged if it has more what

Physics

1 answer:

kkurt [141]3 years ago

8 0

Answer:

An Object is positively charged if it has more Positive Electrons in that object

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A 32.5 g cube of aluminum initially at 45.8 °C is submerged into 105.3 g of water at 15.4 °C. What is the final temperature of b

lakkis [162]

Answer:

$T = 17.26 ^oC$

Explanation:

At thermal equilibrium we have heat given by aluminium must be equal to the heat absorbed by the water

so we will have

$Q_1 = Q_2$

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so we will have

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so we have

$(45.8 - T) = 15.1(T - 15.4)$

so we have

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