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kompoz [17]
2 years ago
14

Cho hai điện tích q1=q2=8.10^-7 C đặt cách nhau 5cm. Xác định cường độ điện trường tại điểm:

Physics
1 answer:
Aleksandr [31]2 years ago
5 0

Answer: b

Explanation:

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Fantom [35]

Answer: The answer is D

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6 0
3 years ago
A science class puts a balloon containing 1.25 l of air at 101 kpa into a bell jar. using an air pump, the class removes some of
storchak [24]
The first thing you should know in this case is the following definition:
 PV = nRT
 Then, as the temperature is constant, then:
 PV = k
 Then, we have two states:
 P1V1 = k
 P2V2 = k
 We can then equalize both equations:
 P1V1 = P2V2
 Substituting the values:
 (1.25) * (101) = (2.25) * (P2)
 Clearing P2:
 P2 = ((1.25) * (101)) /(2.25)=56.11Kpa
 answer:
 the new pressure inside the jar is 56.11Kpa
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3 years ago
Power dissipated is 40w in the 10 ohms resistor. What is the
sveticcg [70]

tiodoododoodkdkdkdedd

3 0
3 years ago
On the surface of Earth, the force of gravity acting on one kilogram is: *
Murrr4er [49]

Your answer would be:

Option (B) : 2.2 Pounds

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4 0
3 years ago
25 POINTS
Alexandra [31]

pshyical change is a usually reversible change of a substance, as size or shape: Freezing a liquid is a physical change. Compare chemical change.

internal change is when the movement of the particles increases

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4 0
3 years ago
Read 2 more answers
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