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adoni [48]
3 years ago
13

Una roca sobre una superficie de hielo está siendo tirada horizontalmente por tres cuerdas como se ve en la figura, donde F=95N,

F2=80N Y F3= 45N.
Determinar: si existe una fuerza resultante y si es el caso determinar magnitud y dirección.
Physics
1 answer:
KatRina [158]3 years ago
6 0
Hablas español??? or portuguese
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You comb your hair and the comb becomes negatively charged. Strictly speaking, how will the mass of your hair change? A. it wil
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Answer:

C. it will not change.

Explanation:

While combing, the rubbing of the comb with the hair, transfer of electron takes place from the hair to the comb and the comb becomes negatively charged. But, this transfer of electron does not make any considerable change in the mass of the hair. This is because the mass of an electron is highly negligible. Now, neglecting the mass of an electron, the transfer of the electrons from the hair to the comb makes charging of the comb, but no loss of mass in the hair. So, the mass of hair will no change.

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What is the shorter electromagnetic wave called? A. more powerful. B. less powerful. C. hotter. D.colder
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I think the answer would be : A. more powerful

The shorter the electromagnetic wave is, the closer it is to the electromagnetic core, which make it more powerful

hope this helps
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Which metal would cause the greatest increase in the temperature of the water in the calorimeter: the one with the highest speci
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<h3><u>Answer;</u></h3>

the one with the highest specific heat

<h3><u>Explanation;</u></h3>
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  • The specific heat of water is 1 calorie/gram °C or 4.186 joule/gram °C which is higher than any other common substance.
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What would happen to temperature on the Earth If the Sun’s heat were not distributed throughout the atmosphere?
anzhelika [568]
It would be hotter near the Earth's equator and colder near Earth's poles. 
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If your motorcycle runs out of fuel while you are driving, the engine stops but you do not come to an immediate stop. The concep
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Answer:

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