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Kisachek [45]
3 years ago
5

_____reaches the Earth’s surface through ______, then turns into ______.

Physics
1 answer:
VikaD [51]3 years ago
4 0

Answer:

D

Explanation:

magma comes up from the core and comes out through volcanoes and then is turned into lava.

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TRUE OR FALSE <br> The nearby galaxy in the spectrum below is moving toward the close star.
katen-ka-za [31]

Answer:

i think its false tell me if im wrong

Explanation:

5 0
4 years ago
_____ refers to the process by which people detect physical energy in the environment and encode that energy as neural signals.
german

Answer:

Sensation refers to the process by which people detect physical energy in the environment and encode that energy as neural signals.

Explanation:

Sensation helps us to detect changes in our physical environment.

Sensation occurs in three steps,

  • Sensory receptors, these detect stimuli.
  • Sensory stimuli are converted into electrical impulses to be decoded by the brain.
  • Finally, electrical impulses move along neural pathways to specific parts of the brain wherein the impulses are decoded into useful information.

Therefore, Sensation refers to the process by which people detect physical energy in the environment and encode that energy as neural signals.

4 0
4 years ago
A diffraction grating with 230 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At w
mr_godi [17]

Answer:

θ₁ = 5.4°

θ₂ = 10.86°

Explanation:

The angle ca be found by using grating equation:

mλ = d Sinθ

where,

m = order of diffraction

λ = wavelength = 405.3 nm = 4.053 x 10⁻⁷ m

d = grating element = 1/230 lines/mm = 0.0043 mm/line = 4.3 x 10⁻⁶ m/line

θ = angle = ?

FOR m = 1:

(1)(4.053 x 10⁻⁷ m) = (4.3 x 10⁻⁶ m/line) Sin θ₁

Sin θ₁ = 0.09425

θ₁ = Sin⁻¹(0.09425)

<u>θ₁ = 5.4°</u>

<u></u>

FOR m = 2:

(2)(4.053 x 10⁻⁷ m) = (4.3 x 10⁻⁶ m/line) Sin θ₁

Sin θ₂ = 0.1885

θ₂ = Sin⁻¹(0.1885)

<u>θ₂ = 10.86°</u>

6 0
3 years ago
a father and his son want to play on a seesaw. where on the seesaw should each of them sit to balance the torque
joja [24]
On the opposite sides, the father would out weigh the sons weight, simply because he is bigger than the son

The definite answer is “the opposites side of the seesaw”

Hope this helps you ☁︎☀︎☁︎
3 0
3 years ago
You throw a tennis ball straight up (neglect air resistance). It takes 7.0 seconds to go up and then return to your hand. How fa
sattari [20]

Answer:

Velocity of throwing = 34.335 m/s

Explanation:

Time taken by the tennis ball to reach maximum height, t = 0.5 x 7 = 3.5 seconds.

Let the initial velocity be u, we have acceleration due to gravity, a = -9.81 m/s² and final velocity = 0 m/s

Equation of motion result we have v = u + at

Substituting

             0 = u - 9.81 x 3.5

             u = 34.335 m/s

Velocity of throwing = 34.335 m/s

6 0
4 years ago
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