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ankoles [38]
3 years ago
11

¿Qué tiempo realiza un avión de la Cd. de México a Cancún, si la distancia entre ambos es de 1608.9Km y el avión viaja a una rap

idez uniforme de 220m/s?
Physics
1 answer:
Leya [2.2K]3 years ago
3 0
I can help you with that if you translate to English
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Please answer quickly
PSYCHO15rus [73]

Answer:

theory is cxorrect

Explanation:

6 0
3 years ago
Two long, parallel wires each carry the same current I, but the two currents are anti-parallel. The two wires are a distance r a
Georgia [21]

Answer:

8 x 10⁻⁷ x  I / r

Explanation:

Two parallel long wires are carrying current I . Let the direction be towards the right in the farthest and towards the left in the nearest. Magnetic field due to current I  at a  distance d is given by the expression

B = μ₀ 2 I / 4π d

I the present case distance d = r/2  

Magnetic field due to one wire at point d = r/2  is

B₁ = μ₀ 2 I / (4π r / 2 )

= 10⁻⁷ x 4I / r

Magnetic field due to the other wire at point d = r/2  is

B₂ = μ₀ 2 I / (4π r / 2 )

= 10⁻⁷ x 4I / r

Direction of magnetic field due to both the wires at the mid  point P will be same . It will be in downward direction in the given scenario

So total magnetic field

B = B₁ + B₂

= 2 x  10⁻⁷ x 4I / r

= 8 x 10⁻⁷ x  I / r

6 0
3 years ago
For an object that floats in a liquid, which of the following statements is true? Group of answer choices The specific gravity o
SVEN [57.7K]

Answer:

Explanation:

Object is Floating in a liquid

weight of object is equal to weight of displaced fluid

i.e.

\rho _oVg=\rho _mV'g

i.e.\rho _oV=mass\ of\ object

\rho _mV'=mass\ of\ liquid\ displaced

where V and V' is the volume of object and volume of object inside the liquid.

therefore mass of liquid displaced must be equal to mass of object                          

8 0
3 years ago
Please help on this one?
lisov135 [29]

Answer:

The current in a resistor decreases by a factor of 4.

Explanation:

I = \frac{E}{R}

Where (I) is the current, (E) is the voltage and (R) is the resistance.

Decreasing the voltage by 4 gives;

I = 0.25\frac{E}{R}

Since you have multiplied \frac{E}{R} by 0.25,

You have to multiply I by 0.25 so the current decreases by a factor of 4.

3 0
3 years ago
An aluminum rod is 300m and at 25 degree Celsius. Calculate the change in rod
Schach [20]

Answer:

Explanation:

540

6 0
3 years ago
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