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Nadya [2.5K]
2 years ago
7

How much thermal energy is required to raise the temperature of a 55-g glass ball by 15 °C?

Physics
1 answer:
Pavlova-9 [17]2 years ago
7 0

Answer:

Q = C M (T2 - T1)   heat required to raise temperature of Mass M

Q = .16 cal /(gm * deg C) * 55 g * 15 deg C

Q = 132 cal

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Answer:

speed is affected by the medium in wich the wave travels.

Explanation:

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For light waves, the denser the medium through which the wave travels, the slower it will go through it, as there is more resistance to the light particles.

And in waves like sound, which instead of particles is a vibration or disturbance in the medium, they travel faster in denser mediums such as metal, because the disturbance is transmitted more efficiently thanks to how close together that the particles are in the metal, This is why sound does not travel in a vacuum; there are not even particles to transmit the vibration.

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3 years ago
When you drink cold water, your body must expend metabolic energy in order to maintain normal body temperature (37° C) by warmin
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Answer:

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Explanation:

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Q_{water} =mC_{water} (T_{ice} -T_{body} )=1*4186*(0-37)=-154882J

The sign (-) indicates the energy lost by the metabolic process. If the Qwalk is 390 kilocalories, then the number of liters of ice water is equal to:

n=\frac{Q_{walk} }{Q_{water} } =\frac{390*4186}{154882} =10.54=11L

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What stress causes this type of fault to form?
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Answer:

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Explanation:

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3 years ago
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Answer:

Answer is D. a north pole is near a south pole

Explanation:

Hope this helps!! :D

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MrMuchimi
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4 0
3 years ago
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