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...the two protons at the nucleus = 2*1.6*10^(-19) C E = =

**k***q/ (r^2) = (9*10^9) *3.2*10^(-19) / (26.5*10^(-12))^2 = 4.1*10^12 N/...1 Answers · Science & Mathematics · 20/02/2018

...9.8 m/s²/g a = 2.9509... a = 3.0 g's c) What spring constant,

**k**, for full dunk 60 m below? ½kx² = mgh ½k(60 - 15...2 Answers · Science & Mathematics · 11/02/2018

V = V1 + V2 + V3 V1 = V2 =

**k**∫dq / r =**k**∫λ dr / r =**k**λ ln3 V3 =**k**∫dq / R =**k**∫λ dr...1 Answers · Science & Mathematics · 08/02/2018

...null then must be q + qa = 0 q = - qa = - 7.5 nC b) if r > b E =

**k**(q + qa + qb) / r^2 =**k**qb / r^2 E = - 9x10^9*24.5x10^-9 / (18x10^-2)^2 = - 6...1 Answers · Science & Mathematics · 07/02/2018

Precisely the same answer as yesterday: The y-component of that field, which is 1.36 x 10^3 N/C, multiplied by the area of the circle, which is pi*r^2.

2 Answers · Science & Mathematics · 05/02/2018

a)

**k**was not affected but the measured T were ... mass, and spring constant. T² = 4π²(M+m) /**k**where m is the mass of the spring.2 Answers · Science & Mathematics · 30/01/2018

..." than linearly. After the first measurement, we expect

**k**= 100g / 2cm Then for the second measurement a linear spring would give ...1 Answers · Science & Mathematics · 30/01/2018

.../r² in Newtons/coulomb OR volts/meter

**k**= 1/4πε₀ = 8.99e9 Nm²/C² 1 C = 6.242e18 ...1 Answers · Science & Mathematics · 28/01/2018

...total. Use a 1 C test charge at the dot. Fax = 0 Fay =

**k**(3.35 n)/0.0228² (pointed up, therefore +) Fcx =**k**(1.68 n...1 Answers · Science & Mathematics · 30/01/2018

...θ This produces a field at P: dE = kdq/R² =

**k**λRdθ/R² =**k**λdθ/R This has an x component...1 Answers · Science & Mathematics · 28/01/2018

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