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sveticcg [70]
2 years ago
11

Mấy bạn việt nam giúp mình với. cần gấp quá

Physics
1 answer:
Basile [38]2 years ago
6 0
Saying english so we can help u
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If a 375 watt heater has a current of 5.0 A, what is the resistance of the heating element?
liberstina [14]
P=IV
V=IR

P=I(IR)
P=I²R
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R=375/25
R=15
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Which statement best describes the atoms of elements that form compounds by covalent bonding?
k0ka [10]

Answer:

they share electrons between them.

Explanation:

taking the test rn lol i think its right

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The attraction will vary directly with the separation between the charges.
Burka [1]
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The first law of thermodynamics relates the heat transfer into or out of a system to the change of internal and the work done on
Artyom0805 [142]

Answer:

The heat transferred into the system is 183.5 J.

Explanation:

The first law of thermodynamics relates the heat transfer into or out of a system to the change of internal and the work done on the system, through the following equations.

ΔU = Q - W

where;

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Q is the heat transfer into the system

W is the work done by the system

Given;

ΔU = 155 J

W = 28.5 J

Q = ?

155 = Q - 28.5

Q = 155 + 28.5

Q = 183.5 J

Therefore, the heat transferred into the system is 183.5 J.

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2 years ago
What is the scientific term for rocks formed from lava?
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