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wolverine [178]
3 years ago
9

Which of the following would decrease the resistance to the flow of an electric current through a body?

Physics
1 answer:
Art [367]3 years ago
8 0
Shortening the conductor (B) <span> would decrease the resistance
to the flow of an electric current through a body.</span>
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What is the magnitude of the change in potential energy of the block-spring system when it travels from its lowest vertical posi
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Answer:

 ΔU = 2 mg h

Explanation:

In a spring mass system the potential energy is U = m g h

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the potential energy at the highest point is

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the potential energy at the lowest point is

         U₂ = m g (-h)

instead in this energy it is

          ΔU = 2 mg h

In this two points the kinetic energy is zero, but there is elastic potential energy that has the same value in the two points, so its change is zero

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At which points would the river be traveling the slowest?
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This would be traveling at the lower reaches.

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What is chemical change ??​
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