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1. ### Ordinary differential equation..?

...ball m = 98N / 9.8m/s² = 10 kg spring constant k = F/x = 98N / 1.09m = 89.9 kg/s² ..., the roots of the ODE are r = (-c ± √(c² - 4mk)) / 2m r = (-100kg/s ± √6403kg²...

2 Answers · Science & Mathematics · 22/03/2020

2. ### You connect a battery, resistor, and capacitor as in (Figure 1), where E = 51.0 V, C = 5.00 μF, and R= 110 Ω. The switch S is closed at t= 0?

T = R*C = 5.0 *110 =  0.55 msec  8/51 = 1-e^-k 43/51 = e^-k k = -ln 43/51 = 0.1706 = t/T t = T*0.1706 = 94 μ sec

1 Answers · Science & Mathematics · 10/03/2020

3. ### Physics Question?

...0.684m/s)² = 0.902 J and so the change is -0.813 J C) KE becomes SPE 0.902 J = ½kx²...

1 Answers · Science & Mathematics · 27/02/2020

4. ### A balloon rubbed against denim gains a charge of −6.0 µC.?

...and also you should have used the given value of k in the question (8.98755 × 10^9 ·m² /C²) (even....  The charge on the balloon (q1) is = -6 μC so the charge on the denim (q2) = +6 μC. F = kq1q2...

1 Answers · Science & Mathematics · 09/02/2020

5. ### What is the capacitance of two metal plates each of area 0.96 m^2 and separated by 0.5 mm using aluminum oxide as the material?

C = k*e*A/d, where C = capacitance in Farads k = relative permittivity e... relative permittivity of 99.5% Alumina is 9.8. So: C = 9.8 * 8.854e-12 * 0.96/0.0005 C = 1.666e-7 F = 166.6 nF

1 Answers · Science & Mathematics · 08/02/2020

6. ### Physics 2 question?

... given by Vₑ = kQ/r, where k is the Coulomb constant: 8.99 × 10⁹... N·m²/C²)(3.00 × 10ˉ⁹ C) / (4.47 × 10ˉ² m) = 6.03 × 10² N·m...

2 Answers · Science & Mathematics · 07/02/2020

7. ### What is the electric potential 14.0 cm from a 3.00 μC point charge?

V = k(3µ)/0.14 = 193000 volts Potential from a charge is V = kQ/r in volts    k = 1/4πε₀ = 8.99e9 Nm²/C²    r is separation in ...

1 Answers · Science & Mathematics · 09/02/2020

8. ### #8a. The information below and the next 4 problems apply to one complete problem which is broken up into parts as discussed in the class.?

... - true  C - true  D - false  so in your format,  B, C  8d. dE = k*λ*z*dx / (z²+x²)^1.5  E = k*λ*z*∫ dx / (z²+...

1 Answers · Science & Mathematics · 08/02/2020

9. ### Physics question: conducting spheres?

...9 = 19.4 C when they separate, the each hold half that, 9.7 C F = (8.99e9)(9.7)(9.7) / (0.0287)² = _____ N...in newtons    r is separation in meters    k = 8.99e9 Nm²/C²

2 Answers · Science & Mathematics · 03/02/2020

10. ### what is the electric field at a point 0.200 m to the right of a +1.50*10^-8 C charge?

E fld = k*Q/d^2 = 9*10^9*1.50*10^-8*10^2/4 = 3.375 kV/m

1 Answers · Science & Mathematics · 13/01/2020