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potential = kQ /

**r**where k = 1/4πε₀ = 8.99e9N·m²/C² so potential = 8.... ◄ then 11.7 V = 8.99e9N·m²/C² * 57.7e-12C /**r**solves to**r**= 0.0443 m = 44.3 mm ◄ If you find this helpful, please...1 Answers · Science & Mathematics · 03/02/2020

(B) mv^2/

**r**= m*6.45*g = (73.0 kg)(9.81 m/s^2)(6.45) = Around 4500 N but use a calculator. (A) v^2/**r**<= 6.45*g =>**r**>= v^2/(6.45*g) = (103 m/s)^2/(6.45*9.81 m/s^2) = around 15m but use a calculator.1 Answers · Science & Mathematics · 12/12/2019

Diagram: q1. .A. . . B VA = kq/

**r**= 8.99*10^9 * 6.25*10^-8 / 0.150 VB = kq/**r**= 8.99*10^9 * 6.25*10^-8 / 0...3 Answers · Science & Mathematics · 23/05/2019

...39;s call it α. Then the linear acceleration of the mass is a = α*

**r**= α * 0.119m and the distance the mass travels between the two times...3 Answers · Science & Mathematics · 08/07/2019

2

**R**above the surface is 3**R**from the center. So the acceleration of gravity is 1/9 of the surface value. Then force = mass * acceleration = 1950 * (9.80665 / 9) = 2124 newtons.1 Answers · Science & Mathematics · 29/10/2019

Using Gauss’ law with a coaxial cylindrical surface at

**r**and length L we have E(**r**) 2π**r**L = ρ π**R**^2 L...1 Answers · Science & Mathematics · 23/02/2020

The volume of a sphere is 4/3 pi()

**r**^3 and the volume of a cube is L^3 so to transform a sphere into a cube...7 Answers · Science & Mathematics · 01/05/2019

Energy E =

**R***I^2*t = 1.5*3^2*3.5 = 47.25 joule = 11.3 cal3 Answers · Science & Mathematics · 03/03/2020

total

**R**= 65 Ω E = IR = 0.255 x 65 = 16.575 volts (rounded to 16.6 volts)1 Answers · Science & Mathematics · 27/05/2019

(sin i) / (sin

**r**) = (RI of Y) / (RI of X) = 1.24 / 1 = 1.24 sin**r**= (sin i) / 1.24 = (sin 14°) / 1.24 = 0.244 / 1.24 = 0.197**r**= arcsin 0.107 = 11.36° (ans)1 Answers · Science & Mathematics · 19/11/2019