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Leni [432]
3 years ago
15

un avión se mueve en línea recta a una velocidad constante de 400 km/h durante 1,5h de su recorrido ¿que distancia recorrió en e

se tiempo?
Physics
1 answer:
Amanda [17]3 years ago
6 0

The distance covered by the plane is 600 km

Explanation:

The motion of the plane is a uniform motion, so at constant velocity, therefore we can use the following equation

d=vt

where

d is the distance covered

v is the velocity

t is the time interval considered

For the plane in this problem,

v = 400 km/h

t = 1.5 h

Substituting, we find the distance covered:

d=(400)(1.5)=600 km

Learn more about distance:

brainly.com/question/3969582

#LearnwithBrainly

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An average hole drift velocity of 103 cm/sec results when 2 V is applied across a 1 cm long semiconductor bar. What is the hole
Helga [31]

Answer:

ε = 2 V/cm

Explanation:

To calculate the mobility inside this bar, we just need to apply the expression that let us determine the mobility. This expression is the following:

ε = ΔV / L

Where:

ε: Hole mobility inside the bar

ΔV: voltage applied in the bar

L: Length of the bar

We already have the voltage and the length so replacing in the above expression we have:

ε = 2 V / 1 cm

<h2>ε = 2 V/cm</h2><h2></h2>

The data of the speed can be used for further calculations, but in this part its not necessary.

Hope this helps

8 0
3 years ago
3. A ray of light consisting of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of
Alex Ar [27]

Answer:

The angular separation between the refracted red and refracted blue beams while they are in the glass is 42.555 - 42.283 = 0.272 degrees.

Explanation:

Given that,

The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.

A ray of light consisting of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glass at 80 degrees.

We need to find the angular separation between the refracted red and refracted blue beams while they are in the glass.

Using Snell's law for red light as :

n_1\sin\theta_1=n_2\sin\theta_2\\\\\theta_2=\sin^{-1}((\dfrac{n_2}{n_1})\sin\theta_1)\\\\\theta_2=\sin^{-1}((\dfrac{1}{1.4561})\sin(80))\\\\\theta_2=42.555

Again using Snell's law for blue light as :

n_1\sin\theta_1=n_2\sin\theta'_2\\\\\theta'_2=\sin^{-1}((\dfrac{n_2}{n_1})\sin\theta_1)\\\\\theta'_2=\sin^{-1}((\dfrac{1}{1.4636 })\sin(80))\\\\\theta'_2=42.283

The angular separation between the refracted red and refracted blue beams while they are in the glass is 42.555 - 42.283 = 0.272 degrees.

7 0
3 years ago
20 characters or more
andreev551 [17]

Answer:

yes 20 characters or more

Explanation:

3 0
2 years ago
If a 50 W light bulb and a 90 W light bulb operate from 120 V, which bulb has a greater current in it?
PIT_PIT [208]
The 50 W bulb would have a greater current than the 90 W bulb
8 0
3 years ago
What is the change in potential energy of a squirrel that jumps from a tree branch that is 4.5 meters off of the ground and land
quester [9]

Answer:

16.3 joules...................

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