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1. ### current problem?

...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

2. ### An airplane is flying in a horizontal circle at a speed of v = 625 km/h. If its wings are tilted at angle θ = 10° to the horizontal,?

...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

3. ### Consider the circuit shown in figure. Assume I = 0.82 A. What is the value of resistor R?

... 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

4. ### physics help?

...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

5. ### Physics: Springs: A block of mass 1.4 kg is attached to a horizontal spring that has a force constant 1100 N/m as shown in the figure...?

...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

6. ### thermodynamics?

... 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

8. ### Find the voltage drop between A and B in the circuit help please thank you so much?

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

9. ### help with this EMF question.?

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 V

1 Answers · Science & Mathematics · 18/09/2019

10. ### We have three isolated spherical shells on which we put positive charges. For each shell, this next figure shows?

.... 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