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dsp73
3 years ago
15

What happens when magma rises towards the surface?

Physics
2 answers:
mote1985 [20]3 years ago
7 0
Magma is an intensely hot region deep within the Earth that rises<span> to just underneath the </span>surface<span>. Some hot spots produce volcanoes. rock formed by the cooling of </span>magma<span> or lava. molten rock, or </span>magma, that erupts from volcanoes or fissures in the Earth's <span>surface</span>
zzz [600]3 years ago
5 0
It slowly cools an hardens,eventually turning into igneous rock<span />
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A grating whose slits are 3.2x10^-4 cm apart produces a third-order fringe at a 25.°0 angle. What is the wavelength of light tha
Ber [7]

Answer:

The light used has a wavelenght of 4.51×10^-7 m.

Explanation:

let:

n be the order fringe

Ф be the angle that the light makes

d is the slit spacing of the grating

λ be the wavelength of the light

then, by Bragg's law:

n×λ = d×sin(Ф)

λ = d×sin(Ф)/n

λ = (3.2×10^-4 cm)×sin(25.0°)/3

  = 4.51×10^-5 cm

  ≈ 4.51×10^-7 m

Therefore, the light used has a wavelenght of 4.51×10^-7 m.

7 0
3 years ago
Nanotechnology is proving ineffective at helping clean up PCB’s. True orFalse
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False, <span>Nanotechnology is proving effective at helping clean up PCB’s.</span>
8 0
3 years ago
Read 2 more answers
I NEED HELP ASAP!!!!!
Ratling [72]

Answer:

D) momentum of cannon + momentum of projectile= 0

Explanation:

The law of conservation of momentum states that the total momentum of an isolated system is constant.

In this case, the system cannon+projectile can be considered as isolated, because no external forces act on it (in fact, the surface is frictionless, so there is no friction acting on the cannon). Therefore, the total momentum of the two objects (cannon+projectile) must be equal before and after the firing:

p_i = p_f

But the initial momentum is zero, because at the beginning both the cannon and the projectile are at rest:

p_i = 0

So the final momentum, which is sum of the momentum of the cannon and of the projectile, must also be zero:

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6 0
3 years ago
The primary purpose of describing planetary orbits in terms of epicycles and deferents was to account for the
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Calculate the density of a material that has a bat a mass of 52.457 g any volume of 13.5 cm³
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Answer:
d = 3.8857 g/cm^3

Explain:
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Hope this helps!
(a brainliest would be appreciated)
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