A copper wire has a resistance of 0.500 n at 20.0 °C, and an iron wire has a resistance of 0.525 n at the same temperature. At what temperature are their resistances equal?

Q: how did you get n=3?

A:

Q: 824 A man with superpowers files from the top of a building as shown in the figure ( 수지는 필요하다면 소수 자…

A: A man with superpowers flies from the top of a building as shown in the figure. (a) To find the…

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Q: If ši = 12 V, I2 =1 A, R2 = 1 2, I3 = 2 A, and R3 = 3 2, find the power dissipated by resistor R1.

A: I2 = 1 A I3 = 2 A R2 = 1 Ω R3 = 3 Ω ξ1 = 12 V

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A: A line parallel to the z-axis has certain fixed values of x and y and a variable value of z.   If a…

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Q: A metal wire is bent to the shape of a circular arc. The wire is shown in blue in the figure. 8 7 6…

A: The x-coordinate of the arc's center of the mass. Given, Radius of the arcR=7.2 cm=7.2×10-2 m

Q: a). Calculate the escape velocity of our solar system, from the surface of the sun. b). What…

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Q: Questionwhat is the l net li electric force lon Charge 42 due to charges Oy 393? C biractions…

A: q1 = 10 μC q2 = 4 μC q3 = -3 μC distance between q2 and q3 = 3.9 cm

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A: Hey there, since you have asked multiple questions we have solved the first three for you. Please…

Q: This is how I did it. Where did I go wrong?

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Q: 9. Given: D = 3x³yi-2x²y¹z6j+y³z²k Find: V.D.

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Q: y" + 14y' + 50у%3D 0%;у(0) — 2 аnd y'(0) 3 -17

A: Given: y"+14y'+50y=0, y(0)=2 and y'(0)=-17

Q: 2. If a=2i+4j-5k and b=3i-2j+6k determine: (i) a b (ii) a+b (iii) a X b (iv) the angle between a and…

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Q: .Draw the direction with Miller indices [221] in the given cube below consider the given origin. X N…

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Q: Calculate the commutators (a) [r, Lz], [y, L-], [z, Lz] (b) [Pz, La], [Py, L.], [Pz, L=]

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Q: Four objects are held in position by massless rigid rods as indicated in the figure above. The…

A: Given: The mass of the object and its coordinates with respect to the origin are given as masses…

Q: A Four positive charges are at four corners of a square of side d. A negative fifth charge is at the…

A: Here by symmetry, electric files along the directions B and A are equal and opposite hence results…

Q: Question.J what is the net electric force on chargee 93, due to charges 9 922 (birection 3 mag…

A: Every charge in this world repels or attracts every other charge. This force is called the electric…