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  1. cosΘ = adj / hyp = z / √(z²+R²)

    1 Answers · Science & Mathematics · 05/09/2019

  2. When you connect 7 equal resistors in parallel, the equivalent resistance is 1/7 of the resistance of the individual resistors. So each piece has resistance 35 Ω. The entire wire is 7*35 Ω

    1 Answers · Science & Mathematics · 01/05/2019

  3. Just prior to collision, v = √(2gh) = √(2 * 9.8m/s² * 4.35m) = 9.23 m/s conserve momentum during the collision: 84.5kg * 9.23m/s + 55.0kg * 0m/s = (84.5 + 55.0)kg * V and so the post-collision momentum is V = 5.59 m/s H = V² / 2g = (5.59m/s)² / 19.6m/s² = 1.60 m If...

    1 Answers · Science & Mathematics · 15/05/2019

  4. F = mv²/r Multiply both sides by r: Fr = mv² (equation 1...

    2 Answers · Science & Mathematics · 10/01/2019

  5. a) (mVmax^2) / r = m g Vmax = sqrt(g / r) b) L = r m sqrt(2/3)Vmax L... = 1/2 m V^2 - m g r (1 - cosα) V^2 = [Vmax^2 + 2 g r (1 - cosα)] then Em = 1/2 m [Vmax^2 + 2 g r (1 - cosα)] - m g r...

    2 Answers · Science & Mathematics · 06/08/2019

  6. QUESTION1: How much charge is enclosed by Gaussian sphere S2? No, you don't need a formula. You're told that the "total charge [is] q", so I'd say qenc = q QUESTION 2: so how much charge is...

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

  7. r = 9.5*3.6*10^19 = 3.42*10^20 m ω = 1.1*10^-15 rad/sec tangential speed Vt = ω*r = 3.42*1.1*10^5 = 3.76*10^5 m/sec = 376 km/sec g = Vt^2/r = 3.76^2*10...

    2 Answers · Science & Mathematics · 28/04/2019

  8. R = 1 + (1 II R) + 1 . . . . . After this it's just mathematics. R = 2 + R/(R + 1) . . . . . . .(parallel value by product over sum) R(R...

    2 Answers · Science & Mathematics · 13/05/2019

  9. r = d/2 Btop = μo i1 / (2 π r) Bbot = μo i2 / (2 π r) B = Bto - Bbot B...

    1 Answers · Science & Mathematics · 18/07/2019

  10. r = mv/qB => The component of v perpendicular to the magnetic field is...

    1 Answers · Science & Mathematics · 04/04/2019

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