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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. ### 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 · 08/10/2019

6. ### What is the radius of the particle’s circular path?

By qvB = mv^2/r =>qB = mv/r =>(3.32 x 10&-6 Q) x (7.85 x 10^-3 T...2.05 x 10^-12 x 10^-3) x (67.3 x 1000)]/[3.32 x 10&-6) x (7.85 x 10^-3)] =>r = 5.29 x 10^-3 m OR 5.29 mm =>b)

2 Answers · Science & Mathematics · 08/03/2020

7. ### Charge/Mass Ratio of Electron & Induction??

F = q * v x B and the force F = m*a = mv²/r and since v and B are at right angles, v x B has...

2 Answers · Science & Mathematics · 11/02/2020

8. ### 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

9. ### If the frictional force is the only force that causes the system to lose energy, what is the fractional change in the kinetic energy?

...positive direction. Conservation of angular momentum during the collision phase. m = mass R = Radius of disc A ρ = material density h = material thickness...

1 Answers · Science & Mathematics · 08/02/2020

10. ### Calculate the net electric flux?

...s apply this idea. Part J:  the radial position of the charge is r = sqrt(1^2 +1^2) = sqrt(2) = 1.41 cm Therefore the charge is ...

2 Answers · Science & Mathematics · 10/02/2020