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forsale [732]
3 years ago
13

What is the critical angle for light traveling from crown glass (n = 1.52) into water (n = 1.33)?

Physics
2 answers:
Flauer [41]3 years ago
6 0

Answer:

61 degrees, I just did the test.

Explanation:

tekilochka [14]3 years ago
4 0

Answer: 61 degrees

Explanation:

I just did the question and got it right

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Un hombre parado en el techo de un edificio, tira una bola verticalmente hacia arriba con una velocidad de 12m/s, la bola llega
zmey [24]

Respuesta:

24m

Explicación:

Según la ecuación de movimiento

v = u + en

Dado

Velocidad final v = 12 m / s

velocidad inicial u = 0 m / s

tiempo t = 4s

Sustituir

12 = 0 + 4a

a = 12/4

a = 3 m / s²

Lo siguiente es obtener la distancia;

S = ut + 1 / 2at²

S = 0 (4) + 1/2 (3) (4) ²

S = 3 * 16/2

S = 48/2

S = 24 m

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4 0
3 years ago
Calculate the speed of an object that travels 75m in 15s
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Answer:

speed =distance/time taken

5 m/s

6 0
3 years ago
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snow_lady [41]
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4 0
3 years ago
You have a bat-like echolocation system on your car, which emits a 20,000-Hz frequency sound that returns to the car in 0.18 s a
KiRa [710]

Answer:

The car travel 2.52 m

Explanation:

This problem gives us the time and speed of the car with the echolocation system, and they ask us for the distance traveled, we can use the report motion equation.

Let's start by calculating the relative speed of the two cars, which in this case is the initial mass because the second vehicle is at rest.

    v = d / t

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7 0
3 years ago
Which type of coolant(s) usually is (are) used to remove heat from a nuclear reactor core?
Ilya [14]

Answer:

(B). Liquid sodium or water

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3 years ago
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