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svp
1 month ago
5

An object with charge q=−6.00×10−9C is placed in a region of uniform electric field and is released from rest at point A. After

the charge has moved to point B, 0.500 m to the right, it has kinetic energy 3.00×10−7J.
(a) If the electric potential at point A is +30.0 V, what is the electric potential at point B?
(b) What are the magnitude and direction of the electric field?
Physics
1 answer:
kicyunya [3.2K]1 month ago
8 0

Answer:

it’s a

Explanation:

utilized Google

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Point m is located a distance 2d from the midpoint between the two wires. find the magnitude of the magnetic field b1m created a
Sav [3153]

Reminder: The illustration mentioned in the inquiry is included here as a file.

Response:

The intensity of the magnetic field is B = \frac{0.071 \mu I}{d}

Clarification:

The magnetic field can be calculated using the following equation:

B = \frac{\mu I}{2\pi R}...............(1)

Where I refers to the current flowing through the wires

To find the distance R from point 1 to m, apply the Pythagorean theorem

R = \sqrt{d^{2} + (2d)^{2} }

R = \sqrt{5d^{2} } \\R = d\sqrt{5}

Inserting R into equation (1)

B = \frac{\mu I}{2\pi d\sqrt{5} }

B = \frac{0.071 \mu I}{d}

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24 days ago
4. A cylindrical tube has a length of 14.4cm and a radius of 1.5cm and is filled with a colorless gas. If the density of the gas
serg [3582]
The mass, m, of the gas amounts to 0.2504 grams. Explanation: First, we need to calculate the cylindrical tube's volume. The formula for the volume of a cylinder is given by; where V indicates volume, π signifies pi, r represents the radius, and h indicates height or length. Given the following parameters: Radius, r = 1.5 cm, Length, h = 14.4 cm, Density, d = 0.00123 g/cm³. Plugging these into the equation, the volume of the cylindrical tube calculates to be 203.6016 cm³. Density can be defined as mass divided by the volume of an object. Simply put, density is mass per unit volume. Mathematically, density is represented by the formula; by substituting into the equation, we conclude that Mass = 0.2504 g.
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1 month ago
Which trailer has more downward pressure where it attaches to the car?
serg [3582]

The trailer that is loaded the most. The total weight does not matter; it is about how the load is distributed. For example, our 12,000 lb snow cat trailer has weight distribution that results in less than 100 lbs of tongue weight. Heavy tongue weight can create issues, as it can shift the weight off the front wheels of the towing vehicle, causing instability.

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1 month ago
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inna [3103]

The new charge of the ball will amount to 8x10^8C after removing 5x10^27 electrons.

Explanation:

Initially, if the sphere is electrically neutral, its charge stands at 0C.

When an electron with a charge of (-1.6*10^-19 C) is taken away, we effectively add a positive charge, leading to:

1.6*10^-19 C as the sphere's new charge.

For a total of N electrons removed, the sphere's overall charge now becomes:

N*1.6*10^-19 C.

To calculate N when:

N*1.6*10^-19 C = 8.0x 10^8 C.

We find that N is: (8.0/1.6)x10^(8 + 19) = 5x10^27 electrons.

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This is due to the fact that below 4°c, water behaves differently than other substances and decreases in density as its temperature drops further.
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