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3 years ago

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A circular horizontal surface having an area of 1020.5 mm2that is completely immersed in a fluid experiences a uniform force of

1.06 mN. The pressure applied by the fluid on this surface is

1 answer:

Bingel [31]3 years ago

3 0

Answer:

Faya vei Abhikesh brass hahahahahaha

Explanation:

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2. A uniform wire of resistance R is stretched until its length doubles. Assuming its density and resistivity remain constant, w

never [62]

Answer:

Resistance is quadrupled.

Explanation:

Solving this requires us to use the formula of resistivity.

Resistivity is usually said to be the measure of the resistance of a particular size of any given material to the electrical conduction. It is mathematically represented as

ρ = RA/L, where

ρ = the resistivity of the given material

R = the resistance of the material

A = the area of the material

L = length of the material.

From the question, we're told that the length is doubled with the resistivity and density remaining constant. If the density is constant, this makes the volume constant as well.

Volume, V = A * L. We're then told that the length is doubled. If the length is doubled, for the volume to remain constant, then the area must be halved.

Volume, V = A/2 * 2L

Making, Resistance R, subject of the formula, we have

R = ρL/A.

Since resistivity is constant and the area is halved, we then have

R = 2L / (1/2A)

R = 4L / A

If the length is doubled, we have the resistance to be quadrupled

3 0

3 years ago

The statement that no two electrons in the same atom can have the same four quantum numbers is a restatement of

andreev551 [17]

Answer:

Pauli exclusion principle

Explanation:

Pauli's exclusion principle speaks to the quantum numbers assigned to an electron to describe it's general position and movement. Two electrons can occupy the same energy level (which is described by the first quantum number-the principal quantum number), the orbital angular momentum quantum number (represented by the second number) and magnetic quantum number. electrons that have the same value for all three numbers will have different spins. one will have positive a half while the other has negative a half. Therefore they will never have the same complement of quantum numbers

6 0

3 years ago

An airplane awaiting departure is cleared to takeoff, its accelerates down a runway at 3.20m/ s2 for 32.8s until it finally lift

stich3 [128]

The final velocity before takeoff is 104.96 m / s.

<u>Explanation:</u>

The last velocity of a given object over some time defines the final velocity. The final velocity of the object is given by the product of acceleration and time and adding this product to the initial velocity.

To calculate the final velocity,

V = u + at

where v represents the final velocity,

u represents the initial velocity,

a represents the acceleration

t represents the time taken.

$v = 0 + (3.20)\times( 32.8)$

v = 104.96 m / s.

7 0

3 years ago

Drag the tiles to the boxes to form correct pairs. Match each hypothesis for how the Moon formed with the statement that best de

Roman55 [17]

Answer:

giant impact theory

Explanation:

i don't know im just guessing

3 0

3 years ago

As the wavelength increases, the frequency (2 points) Select one:

LiRa [457]

A.
According to the equation: v=λ*f
λ stands for wavelength. wavelength increases, the frequency will decrease. lower frequency deserves low energy.

7 0

4 years ago