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OLEGan [10]
4 years ago
8

How do snowflakes form?

Physics
2 answers:
BaLLatris [955]4 years ago
8 0

Answer:

✍️A snowflake begins to form when an extremely cold water droplet freezes onto a pollen or dust particle in the sky. This creates an ice crystal. As the ice crystal falls to the ground, water vapor freezes onto the primary crystal, building new crystals – the six arms of the snowflake

✍️ All snowflakes contain six sides or points owing to the way in which they form. The molecules in ice crystals join to one another in a hexagonal structure, an arrangement which allows water molecules - each with one oxygen and two hydrogen atoms - to form together in the most efficient way.

✍️ Snowflakes are symmetrical because they reflect the internal order of the water molecules as they arrange themselves in the solid state (the process of crystallization). ... These ordered arrangements result in the basic symmetrical, hexagonal shape of the snowflake.

✍️ At just below freezing temperature (0 C) a snowflake might look like a tiny plate, while a few degrees colder sees snowflakes that are shaped like columns or needles. There are even triangular snowflakes, which are thought to be caused by dust particles mixed in with the crystals.

✍️ All snowflakes are unique, sort of. The short answer is, yes, because each ice crystal has a unique path to the ground. They will float through different clouds of different temperatures and different levels of moisture, which means the ice crystal will grow in a unique way.

\bold \red {Miss \: Beautiholic}

posledela4 years ago
6 0

Answer:

in the air the freeze when it’s freezing outside

Explanation:

I hope this helps

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mars1129 [50]
The answer is actually 22.0
3 0
3 years ago
How are the variables speed and velocity different? how are they similar
victus00 [196]

Answer:

Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. ... Velocity is the rate at which the position changes. The average velocity is the displacement or position change (a vector quantity) per time ratio.

Explanation:

3 0
3 years ago
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A small space probe of mass 170 kg is launched from a spacecraft near Mars. It travels toward the surface of Mars, where it will
alukav5142 [94]

Answer:

The change  in momentum is  \Delta p =   kg \cdot m/s      

Explanation:

From the question we are told that  

       The mass of the probe is  m = 170 kg

       The location of the prob at time t = 22.9 s is  A  =

       The  momentum at time  t = 22.9 s is  p = < 51000, -7000, 0> kg m/s

        The net force on the probe is  F =  N

Generally the change in momentum is mathematically represented as

              \Delta p = F * \Delta t

The initial time is   22.6 s

 The final time  is  22.9 s

             Substituting values  

           \Delta p =  * (22.9 - 22.6)

            \Delta p =  * (0.3)  

              \Delta p =   kg \cdot m/s        

 

6 0
3 years ago
A bowling ball is launched off the top of a 240-foot tall building. The height of the bowling ball above the ground t seconds af
natima [27]

Answer:

When the ball hits the ground, its velocity is -128 ft/s.

Explanation:

Hi there!

First, let's find the time it takes the ball to reach the ground (the value of t for which s(t) = 0):

s(t) = -16t² + 32t + 240

0 = -16t² + 32t + 240

Solving the quadratic equation with the quadratic formula:

t = 5.0 s (the other solution of the equation is rejected because it is negative).

Now, we have to find the velocity of the ball at t = 5.0 s.

The velocity of the ball is the change of height over time (the derivative of s(t)):

v = ds/dt = s'(t) = -32t + 32

at t = 5.0 s:

s'(5.0) = -32(5.0) + 32 = -128 ft/s

When the ball hits the ground, its velocity is -128 ft/s.

4 0
3 years ago
I attach a voltage source to a 45 mF capacitor until it is fully charged. I then take the voltage source away and discharge the
galben [10]

Answer:

60 V

Explanation:

Let the potential on capacitor be V . This will be equal to voltage of the source .

During discharge this voltage of capacitor will create current .

V / 120 = .5

V = 60 V

So this would have been the voltage of the source . So voltage of source

= 60 V

8 0
3 years ago
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