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1. ### If R = 2.400 ± 0.003, what is the relative uncertainty for R−2? Plz also provide explanation/solution.?

...you could THEN turn into a fraction. ie ( 2.4 + 0.003)^(-2) < R^(-2) < (2.4 - 0.003)^(-2) 0.173178 < R ^(-2...

4 Answers · Science & Mathematics · 08/09/2019

2. ### A ball of mass 300 gram is whirled on the end of a string in a horizontal circle of radius r = 0.450 m at a constant?

What is the reference frame for the angle? I'll assume that it is measured from vertical tanθ = (v²/r) / g = v² / rg v² = rgtanθ  v² = 0.450(9.81)tan25 v² = 2.0585 v = 1.43 m/s

1 Answers · Science & Mathematics · 08/12/2019

3. ### Physics Question?

find total R R = 1 + [ 1 / (1/12 + 1/6) ] + 5 = 10 ohm find total current, I I...amp;6) = 12 a * 4 ohm = 48 v V (5) = 12 a * 5 ohm = 60 v V lost to r = 12 * 1 = 12 v find I through each  I (12) = 48/12 = 4 a I (6...

4 Answers · Science & Mathematics · 14/01/2020

4. ### A man walks 9 m to the west, and then 40 m to the north. The magnitude of the displacement of his walk is?

... R^2 = 9^2 + 40^2 = 1681 R = 41 m the angle is 12.7° W of N When you get a good response, please consider giving a best answer. This is the only reward we get.

4 Answers · Science & Mathematics · 20/06/2019

5. ### Charge/Mass Ratio of Electron and Induction?

Uhhhhhhhh Magnetic force = centripetal force? Bvq = mv^2 / r v = rBq / m r = 5.1×10^-4 m 2. If I is "the...

1 Answers · Science & Mathematics · 12/02/2019

6. ### Physics Question - Straightening the graph Electrostatic Force?

F is proportional to 1/ r^2 F2/F = r^2 / ( 2/3 r^2) =9/4

1 Answers · Science & Mathematics · 07/10/2019

7. ### Uniform circular motion question tension of my arm?

ac = V^2/r = 3^2/0.7 = 12.856 m/sec^2 at top F = m(ac-g) = 2(12.856-9.806) = 2*3.05 = 6.10 N down F' = m(ac+g) = 2*(12.856+9.806) = 45.3 N

4 Answers · Science & Mathematics · 11/03/2019

8. ### Which of the following statements are correct for the RC circuit shown? Select true or false for each statement?

... in the position b for a long time, the current through R becomes close to zero. TRUE, cap blocks... a long time in the position b, the current through R is E/R. TRUE initial charge on...

1 Answers · Science & Mathematics · 13/03/2019

9. ### Physics Question?

I = V / R V = 6 volts R = 10 + 4/2 = 12 ohms I = 6 / 12 I = 0.5 A

3 Answers · Science & Mathematics · 14/01/2020

10. ### Physics Problem?

... with Ri = 4Ω, oriented same as the 80 volt one the 3 r's in parallel equal  1/R = 1/6 + 1/12 + 1/4 1/R = 2/12 + 1/12...

1 Answers · Science & Mathematics · 15/01/2020