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Alisiya [41]
3 years ago
8

Qué significa el “delay televisivo

Physics
1 answer:
RUDIKE [14]3 years ago
3 0

Answer:

Respuesta. Explicación: Viene del inglés significa retraso, es un efecto de sonido que consiste en la multiplicación y retraso modulado de una señal sonora. Una vez procesada la señal se mezcla con la original.

Explanation:

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19. Determine the final state and its temperature when 150.0 kJ of heat are added to 50.0 g of water at 20 ºC. (Specific heat of
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The amount of energy to reach the boiling point is 50*80*4.184 J=16,736J. To pass the boiling point, 40.79*\frac{50}{18.02}kJ=113,180J are necessary (18.02 is the molar mass of water). This means that 150kJ-113.180kJ-16.736kJ=20,084J are left. This allows the steam to heat another \frac{20,084}{50*1.99}=201.8^{\circ}C. Therefore, it ends as steam at temperature 100^{\circ}C+201.8^{\circ}C=301.8^{\circ}C

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An 85 kg object is moving at a constant speed of 15 m/s in a circular path, which has a radius of 20 meters. What centripetal fo
elena55 [62]
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3 years ago
How long does it take light to reach us from the Sun, 1.53x108 km away? Give your answer in minutes.
muminat

Answer:

Sun light takes 8.5 minutes to reach Earth.

Explanation:

Light travels in vacuum at constant speed c= 3 \times 10 ^8 \cfrac ms, so we can find the time it takes to travel the given distance from Earth to Sun using a kinematic equation.

Finding the time it takes for Sun light to reach us.

Using the kinematic equation d = vt, we can solve for time t, which will give us

t = \cfrac dv

We can replace the equation with the given values, but before doing that, we need the values to be on SI units, thus the distance becomes

d= 1.53 \times 10^8 km \times \cfrac{1000 m}{1 km }\\d = 1.53 \times 10^{11} m

Replacing the values on the time equation give us

t = \cfrac{1.53 \times 10^{11} m}{3 \times 10^{8} \cfrac ms}\\t = 510 s

We get as result 510 seconds, then we must convert them in minutes.

t = 510 s \times \cfrac{1 min}{60s}\\\boxed{t = 8.5 min }

So we can conclude that Sun light takes 8.5 minutes to reach Earth.

7 0
3 years ago
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