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  1. we must use r^2 v= constant. r is the radius and v is the velocity. first condition...4*4=1. This remains a constant. In the second segment r=1. velocity =1 m/s. In the third segment (1/4)^2 v=1. v=16 m/s...

    3 Answers · Science & Mathematics · 15/09/2019

  2. V = kq/r so r = kq/V = 8.98755179e9 * 1e-5/1e4 = 8.98755179e9 * 1e-5/1e4 = = 8.98755179e9...

    3 Answers · Science & Mathematics · 15/09/2019

  3. 2. The angle is given w/r/t horizontal, so Ax = A*cos45.0º Ay = A*sin45....

    1 Answers · Science & Mathematics · 15/09/2019

  4. ... energy between two charges, in Joules U = kQ₁Q₂/r Q₁ and Q₂ are the charges in coulombs...

    1 Answers · Science & Mathematics · 14/09/2019

  5. ...) Therefore the ratio of frequencies becomes r = ω=√︎(μT/μH) = ω=√︎3 approximately. The wavenumber therefore...

    1 Answers · Science & Mathematics · 13/09/2019

  6. ..., then flux = 10^3 N/C (4.0 j (dot) k + 3.0 k (dot) k) (pi * R^2). j (dot) k = 0, and k (dot) k = 1, so flux = 10^3 N/C * 3 * pi...

    1 Answers · Science & Mathematics · 13/09/2019

  7. ... where k = 1/4πε₀ = 8.99e9 N·m²/C² For r < 10 cm, the outer shell of charge has no effect on the field...

    1 Answers · Science & Mathematics · 12/09/2019

  8. ...since that's the enclosed charge (per unit length, for a cylinder of radius r_i) Q2) λ = 0 (See citation, esp. pg 5. Upshot: field ...

    1 Answers · Science & Mathematics · 12/09/2019

  9. dA^ = r^ dh dφ E = k q r^ / r³ then the angle θ between the electric field vector E^ and the vector dA^ is null

    1 Answers · Science & Mathematics · 12/09/2019

  10. It is not true that R=V/length. You can get resistance R = V / I where... suspect that it is to calculate the resistivity ρ of the wire material. R = ρℓ / A so, if you plot R (vertical) vs ℓ/A...

    2 Answers · Science & Mathematics · 11/09/2019

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