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schepotkina [342]

3 years ago

15

A 8 kg eagle is flying up in the sky. You pull out your GPE gun and are able to tell that the bird has a GPE of 2,352 J. How hig

h must the bird be?

1 answer:

12345 [234]3 years ago

4 0

Dont know bout this one my guy

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As 390 g of hot milk cools in a mug it transfers 30 000 j of heat to the environment. whats is the temperature change of the mil

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You have to use the specific heat equation.

Q = cmΔT where Q is the energy, c is specific heat, m is mass, and ΔT is change in temp.

So we can substitute our variables into the equation.

30000J = (390g)(3.9J*g/C)ΔT

Solving for ΔT, we get:

30000J/[(390g)*(3.9J*g/C) = ΔT

ΔT = 19.72386588C

I'm assuming the temperature is C, since it was not specified.

Hope this helps!

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A student constructed a series circuit consisting of a 12.0-volt battery, a 10.0-ohm lamp, and a

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Considering the unknown resistence as R and using the Ohm's First Law, we have:

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If you notice any mistake in my english, please let me know, because i am not native.

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