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angular speed ω = V/

**r**= 18/(1/3) = 54 rad/sec angular acceleration α = at/**r**= 1.22/(1/3) = 3.66 rad/sec^2 angle Θ = ω*t+ α/2*t^2 = 54*0.7+1.83*0.7^2 = 38.70 radians ... rounded up to 391 Answers · Science & Mathematics · 17/10/2019

timeconstant Ƭ = 25.2 μs =

**R***C C = Ƭ/**R**= 25.2*10^-6/(12.4*10^3) = 2.032*10^-9...2 Answers · Science & Mathematics · 13/03/2019

moment od inertia J = m/2*

**r**^2 = 0.34*7.9^2/10^4 = 0.00212 kg*m^2 angular acceleration α1 = 2PI/60*n/t1...1 Answers · Science & Mathematics · 23/11/2019

... an infinite line of charge having density λ, the field E = λ / 2π*

**R***ε₀ where**R**is the distance from the center of the line of charge...1 Answers · Science & Mathematics · 06/03/2019

...due to a point charge (Q) at a point at a distance (

**r**) is given by: E = kQ / r²... {purple}. magnitude from Pythagoras**R**= 5.03 ×10^5 V/m direction = arctan (2.25/4.5) = 26...1 Answers · Science & Mathematics · 05/09/2019

The electric potential Vₑ from a charge Q at a distance

**r**is given by Vₑ = kQ/**r**, where k is the ...2 Answers · Science & Mathematics · 07/02/2020

...correctly, but the long way. Each element of charge is the same distance (

**r**=√(R² + d²) from P. And potential is a scalar...1 Answers · Science & Mathematics · 23/02/2019

...assumption... we have a series parallel circuit, with Ri in series with one or two

**R**'s in parallel. with one**R**, Rt = Ri +**R**= 9/0.2 = 45...3 Answers · Science & Mathematics · 06/05/2019

...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

The road must apply an acceleration v^2 /

**R**to keep the car in the circle. The gravitational acceleration creates a...1 Answers · Science & Mathematics · 25/02/2019