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makvit [3.9K]
3 years ago
15

A copper Wire has a length of 160 m,and a diameter of 1.0 mm,if ,the wire is connected to a 1.5-Volt battery ,How much Current f

lows through the wire?????
Physics
1 answer:
makkiz [27]3 years ago
3 0
Some guidance notes which may help.To calculate the current flow, Ohm's law can be used. This can be written as current=voltage/resistance, or I=V/R. V is 1.5V.R for the copper wire quoted would be calculated as R = resistivity x length/cross sectional area. The area would be calculated from the formula area = pi x diameter squared/4So, R=resistivity x length divided by (pi x diameter squared/4)Until is the resistivity of copper is known, that's about as far as can be gone.Any further questions, please ask.
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This is a problem about a child pushing a stack of two blocks along a horizontal floor. The masses of the blocks, and the coeffi
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Answer:

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Explanation:

After reading that long sentence, let's solve the question

The contact force is the so-called normal in this case we can find it by writing the translational equilibrium equation for the y axis

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            N = m₁ g + m₂ g

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let's calculate

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