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mihalych1998 [28]
3 years ago
8

How does object float

Physics
2 answers:
IceJOKER [234]3 years ago
7 0
As you may know some objects float others do not, this is because some objects contain air or oxygen. for example an orange with a peel floats because the peal contains oxygen and an orange without a peel sinks because it does not contain air at oxygen
olchik [2.2K]3 years ago
6 0
The object float under only one condition: its density is less than density of liquid. Metal ships can float just because it's mass divided by displaced volume (which in fact equals density) is less than water.
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Which statement is accurate about how the aurora borealis is formed?
g100num [7]

Answer:

When the electrons jump to a higher energy state, they release energy as electromagnetic radiation, light.

Explanation:

When the solar wind gets past the magnetic field and travels towards the Earth, it runs into the atmosphere. As the protons and electrons from the solar wind hit the particles in the Earth's atmosphere, they release energy – and this is what causes the northern lights.

7 0
3 years ago
Mia wanted to know how Earth’s movements created new landforms. She decided to read about folded mountains and their characteris
kifflom [539]

Answer:

I’m pretty sure it’s D

Explanation:

the crust breaks and shifts when that happens

hope dis helps ^-^

5 0
3 years ago
Read 2 more answers
A wave is moving at the rate of 40 cm/s. Its wavelength is 8 cm. What is the frequency of the wave?
nikitadnepr [17]
<span>v=40 <span><span>cm</span>s</span> speed of wave</span>

<span>λ=8 cm wavelength</span>

<span>f=? frequency of wave</span>

<span>v=λ⋅f</span>

<span>40=8⋅f</span>

<span>f=<span>408</span></span>

<span>f=5 <span>s<span>−<span>1  is the answer </span></span></span></span>
6 0
3 years ago
Light rays from stars bend toward smaller angles as they enter Earth's atmosphere. a. Explain why this happens using Snell's law
Grace [21]

Answer:

Following are the answer to this question:

Explanation:

In option (a):

  • The principle of Snells informs us that as light travels from the less dense medium to a denser layer, like water to air or a thinner layer of the air to the thicker ones, it bent to usual — an abstract feature that would be on the surface of all objects. Mostly, on the contrary, glow shifts from a denser with a less dense medium. This angle between both the usual and the light conditions rays is referred to as the refractive angle.  
  • Throughout in scenario, the light from its stars in the upper orbit, the surface area of both the Earth tends to increase because as light flows from the outer atmosphere towards the Earth, it defined above, to a lesser angle.

In option (b):

  • Rays of light, that go directly down wouldn't bend, whilst also sun source which joins the upper orbit was reflected light from either a thicker distance and flex to the usual, following roughly the direction of the curve of the earth.  
  • Throughout the zenith specific position earlier in this thread, astronomical bodies appear throughout the right position while those close to a horizon seem to have been brightest than any of those close to the sky, and please find the attachment of the diagram.

8 0
3 years ago
A battery is two or more individual cells connected together. Some large trucks utilize large 24 volt lead acid batteries. How m
uranmaximum [27]

Answer:

 #_pile = 12 celdas

Explanation:

Lead acid sulfur batteries generate each cell a potential of 2 volts. By colonato to reach the voltage of 24 volts

        #_pile = 24/2

       #_pile = 12 cledas

serially connected

5 0
3 years ago
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