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1. ### Demonstrate that the coulomb force inside a charged spherical conducting sphere is zero anywhere?

On a spherical conductor, the excess charge is distributed uniformly on the external surface. If you consider any Gaussian surface INSIDE this shell of charge, the enclosed charge is zero. That means that the field everywhere INSIDE...

1 Answers · Science & Mathematics · 24/11/2020

2. ### Three persons wants to push a wheel cart in the direction marked x ?

... + 75*sin-20º) N = 17 N and so had magnitude R = √(Rx² + Ry²) = 87 N and direction Θ = arctan(Ry...

2 Answers · Science & Mathematics · 23/11/2020

3. ### physics help please ?

...μN         mg = μ(mω²R)           g = μ(ω²R)     g/μ R = ω² √(g/μ R ) = ω √(g/μ R ) = 2π/T           ...

1 Answers · Science & Mathematics · 21/11/2020

4. ### Help?? I don’t understand this question.?

...) N = 102 N toward the side with the 308 N force. resultant R = √(Fx² + Fy²) = 758 N and direction Θ = arctan(Fy...

1 Answers · Science & Mathematics · 19/11/2020

5. ### A model airplane of mass 1.1 kg is attached to a horizontal string and flies in a horizontal circle. HELP.?

... is the force that causes centripetal acceleration T = m v^2/ r = (1.1)(8.8)^2/5.6 = 15.2 N That stuff about lift was to test...

1 Answers · Science & Mathematics · 17/11/2020

6. ### Rotational Kinetic Energy?

...with axis along the length, I = ½mr² Also we know ω = v/ r K = ½mv² + ½(½mr²)(v/ r ...

1 Answers · Science & Mathematics · 18/11/2020