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...*sec) / Q (A*sec) = 515*10^3/62.5 = 8.24 kV torso resistance R = V/I = 8.24*10^3/(62.5*10^-3) = 132 kohm ΔT = E...

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

2. ### To prepare a 0.119-mm diameter tungsten wire with resistance of 2.97kΩ. How long must the wire be? Resistivity of tungsten is 5.62×10^−8Ω·m?

Resistance of a wire in Ω R = ρL/A ρ is resistivity of the material in Ω-m L...

1 Answers · Science & Mathematics · 09/02/2020

3. ### How much work must be done to bring three electrons from a great distance apart to 2.0×10−10 m from one another...?

Each one has required an energy of kqq/ r ie the total is 3 * (9 * 10 ^ 9)  * (1.6*10 ^ -19)^2/( 2* 10 ^ -10)

2 Answers · Science & Mathematics · 09/02/2020

4. ### Help with vectors?

A) -9.5 m/s² B) 0 m/s² C) 540m/s*cos(-30º) D) 540m/s*sin(-30º) E) 11m*cos49º F) 11m*sin49º If you find this helpful, please select Favorite Answer!

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

5. ### Physics 2 question?

The electric potential Vₑ from a charge Q at a distance r is given by Vₑ = kQ/r, where k is the ...

2 Answers · Science & Mathematics · 07/02/2020

6. ### What is the electric potential 14.0 cm from a 3.00 μC point charge?

...193000 volts Potential from a charge is V = kQ/r in volts    k = 1/4πε₀ = 8.99e9 Nm²/C²    r...

1 Answers · Science & Mathematics · 09/02/2020

7. ### Coffee maker physics help?

...where V is the voltage (120 V), I is the current, and R is the resistance (31 ohms).

6 Answers · Science & Mathematics · 06/02/2020

8. ### What resistance should you place in parallel with a 56-kΩ resistor to make an equivalent resistance of 38 kΩ?

1/R= 1/r1 +1/r2 ie., 1/38= 1/56+ 1/r2 Solving you get r2 = 118 kilo ohm.

1 Answers · Science & Mathematics · 05/02/2020

9. ### E/M question?

good start -- U = kQq / d at point of triangle, U = 2*kQq / x at midpoint of base, U = 2*kQq / (x/2) = 4*kQq / x so ΔU = 2*kQq / x

2 Answers · Science & Mathematics · 05/02/2020

10. ### What electric field is necessary to drive a 6.5 A current through a silver wire 0.95 mm in diameter?

take a 1 meter length A = πr² = π(0.00095/2)² R = ρL/A = (15.9e-9)(1) / π(0.00095)² = 0.0224 ΩE...

1 Answers · Science & Mathematics · 05/02/2020