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...see http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/curloo.html#c3 with z =

**R**. Simplifying gives: B = μ₀R²I/(2(R²...2 Answers · Science & Mathematics · 18/10/2019

...1m/s / 3.6km/h = 173.6 m/s horizontal (radial, or centripetal) acceleration ax = v²/

**r**vertical acceleration is zero, which means that ay = g where ax and ay...1 Answers · Science & Mathematics · 04/10/2019

... I = 0.82 A. What is the value of resistor

**R**Best way to do these problems is to solve what you can, ...2 Answers · Science & Mathematics · 03/10/2019

...more, and please choose a best answer from among those you get. C = 2 pi

**r**Path length = pi×**r**/2 = pi×7.7cm = 24.19 cm displacement 90° chord or side of...2 Answers · Science & Mathematics · 05/10/2019

...½mv² = 0.22 - ½kx² - 4.2*(0.020 - x) differentiate w/

**r**/t x ½m * 2v * dv/dx = -kx + 4.2 we want the point where dv/dx = 0...1 Answers · Science & Mathematics · 18/10/2019

... have n and ΔE. For a diatomic gas, Cv = (5/2)

**R**and**R**= 8.314 J/mol·K So you can compute the temperature...1 Answers · Science & Mathematics · 24/09/2019

current flows through, not across first get total

**R**20 parallel with 35 = 20•35/55 = 12.73 in series with 15 that is 27.73 ...2 Answers · Science & Mathematics · 19/09/2019

The resistance between A and B is 1/

**R**= 1/30 + 1/40. That should be all the hint you need.2 Answers · Science & Mathematics · 18/09/2019

I = (E1-E2)/(r1+r2+

**R**) = (2-1)/(0.1+0.2+2.7) = 1/3 A V1 = E1-r1*I = 2-0.1/3 = 1.967 V V2 = E2-r2*I = 1-0.2/3 = 0.933 V1 Answers · Science & Mathematics · 18/09/2019

.... The potential is constant within the shell -- that is, for

**r**<**R**_shell. Shell 1 has the largest...1 Answers · Science & Mathematics · 18/09/2019