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scoundrel [369]
3 years ago
11

The internal energy of material is determined by

Physics
1 answer:
Mnenie [13.5K]3 years ago
6 0
The combined amount of kinetic and potential energy of its molecules
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Kelvin is the answer
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4 (JAMB) The diagram below shows a light see-saw, which is balanced horizontally by the weights W₁, W2, W3, W4 in the positions
damaskus [11]

The equation that represents the principle of the lever balance is:

  • W₁ + W₂ = W3 + W4; option A.

<h3>What is the principle of moments?</h3>

The principle of moments states when a body is in equilibrium, the sum of the clockwise moment about a point equals the sum of anticlockwise moment about that point.

A see-saw represents a balanced system of moments.

The sum of clockwise moment = The sum of anticlockwise moments.

Assuming W1 and W2 are clockwise moments and W3 and W4 are anticlockwise moments.

The equation will b:  W₁ + W₂ = W3 + W4

In conclusion, a balanced see-saw illustrates the principle of the lever balance.

Learn more about principle of moments at: brainly.com/question/20519177

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2 years ago
When you measure the boiling point of mercury, you are investigating a ___. a.chemical change b.chemical property c.physical cha
Amanda [17]
D. physical property

the bonds between molecules of mercury are breaking so it's physical and it's not changing the chemical composition of the substance
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3 years ago
What are the dimensions of potential energy?​
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Potential Energy (P.E) = Mass x

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A dog jumps 0.80 m to catch a treat. The dog's displacement vector is shown below.
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Answer:D

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It was right o khan academy

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