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melamori03 [73]
3 years ago
6

Which part of the electromagnetic spectrum is nearest to radio waves?

Physics
2 answers:
Sav [38]3 years ago
8 0

Answer:

i believe it is the microwaves that is closest to the radio waves.

Explanation:

AlladinOne [14]3 years ago
5 0

Answer:

b

Explanation:

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What color is seen when the red light is on
Dennis_Churaev [7]

Answer:

Red is seen

Explanation:

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3 years ago
According to boyle’s law, the volume of a gas is inversely proportional to its pressure if the?
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3 years ago
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An archeologist on a dig finds a fragment of an ancient
marin [14]

Answer:

19792.96488 years

Explanation:

\tau_{\dfrac{1}{2}} = Half life of carbon-14 atom = 5730 years

Disintegration is given by

\lambda=\dfrac{ln2}{\tau_{\dfrac{1}{2}}}\\\Rightarrow \lambda=\dfrac{ln2}{5730}\\\Rightarrow \lambda=0.00012\ /years

The distintegration constant

0.093N_0=N_0e^{-\lambda t}\\\Rightarrow 0.093N_0=N_0e^{-0.00012 t}\\\Rightarrow ln\dfrac{1}{0.093}=0.00012t\\\Rightarrow t=\dfrac{ ln\dfrac{1}{0.093}}{0.00012}\\\Rightarrow t=19792.96488\ years

The age of the basket is 19792.96488 years

4 0
3 years ago
Which labels correctly identify the layers most closely associated with gamma rays and visible light? Z: Gamma rays X: Visible l
Marianna [84]
The answer is Z: Gamma rays X: Visible light. Gamma ray is the shortest and has the greatest frequency and power. That is why it is in letter Z.
4 0
3 years ago
A volcanic eruption throws a boulder that lands 1.00 km horizontally from the crater. If the volcanic rocks were launched at an
Juliette [100K]

Answer:

a)  v₀ = 69.29 m / s , b)  t = 18.84 s

Explanation:

a) For this exercise we will use the projectile launch equations

          x = v₀ₓ t

          y = y₀ + v_{oy} t - ½ g t²

Let's fix our reference system on the volcano, so the horizontal distance x = 1 km = 1000 m and the vertical distance y = -900 m, the initial height of the crater is I = 0 m. Let's replace to find the speeds

         v_{oy} = v₀ sin θ

         v₀ₓ = v₀ cos θ

         y = v₀ sin θ (x / v₀ cos θ) - ½ g (x / v₀ cos θ)2

         y = x tan θ - ½ g x² / v₀² sec² θ

         ½ g x² sec² θ / v₀² = x tan θ - y

         v₀² = ½ g x² sec² θ / (x tan θ –y)

 

Let's calculate

           v₀² = ½ 9.8 1000² sec² 40 / (1000 tan 40 - (-900))

           v₀ = √ (8.35 10⁶ / 1,739 10³)

           v₀ = 69.29 m / s

    b) Flight time

           x = v₀ₓ t

           t = x / v₀ cos θ

           t = 1000 / 69.29 cos 40

           t = 18.84 s

7 0
2 years ago
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