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agasfer [191]
3 years ago
6

Two small insulating spheres with radius 9.00*10^-2m are separated by a large center-to-center distance of 0.520m . One sphere i

s negatively charged, with net charge -2.40uC , and the other sphere is positively charged, with net charge 3.35uC . The charge is uniformly distributed within the volume of each sphere.
a)

What is the magnitude E of the electric field midway between the spheres?

Take the permittivity of free space to be ?0 = 8.85
Physics
1 answer:
Ganezh [65]3 years ago
5 0

British realized their northern strategy had failed

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What are the main forms of energy? Define each type
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Thermal energy - the internal kinetic energy in a substance caused by vibration of atoms and molecules. Thermal energy is also known as heat.

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4 0
4 years ago
What gas makes up most of our atmosphere in the troposphere?
Agata [3.3K]
78 nitrogen I think
4 0
3 years ago
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A ball is thrown straight up with an initial speed of 50 ms how high does it go?
gavmur [86]
h_{max}=\frac{v_0^2}{2g}=125m (g=10\frac{m}{s^2})
6 0
3 years ago
In a 120-volt circuit having a resistance of 12 ohms, the power W in watts when a current I is flowing through is given by W=120
Mrac [35]

Answer:

maximum power = 300 W

Explanation:

Ohm's law: Ohm's law state that the current flowing through a metallic conductor, is directly proportional to the potential difference applied across its end. mathematically it is expressed as,

V = IR............. Equation 1

Where V = potential difference, I = current, R = Resistance of the conductor.

If the power flowing through is gives as

W = 120I - 12I² ..................... Equation 2

To get the maximum power we differentiate of equation 2  and equate to zero

dW/dt = 0

120 - 24l = 0........................... equation 3

Making I the subject of the equation,

I = 120/24 = 5 A.

Suubstituting the value of I into Equation 2

W = 120 (5) - 12(5)²

W = 600 - 300

W = 300 W.

Therefore maximum power = 300 W

5 0
4 years ago
Plz HELP
zubka84 [21]
The 2nd has the most porosity

Infiltration

That's all I can answer for you. Hope it helps
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4 years ago
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