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Murljashka [212]
3 years ago
12

How is momentum conserved in a Newton's cradle when one steel ball hits the other?

Physics
2 answers:
weeeeeb [17]3 years ago
8 0

Answer:

4. All the momentum starts in one ball, and after the collision, it is all in the other ball.

Explanation:

All the momentum starts in the first ball (the one is moving) . When this ball collides with the second ball, the first ball stops but its momentum it is transferred to the second ball, then to the third then fourth until it reaches the very last ball. Only the last ball has momentum now because is the only one moving.

lora16 [44]3 years ago
7 0

Answer:Both balls have momentum to start,and they share it after collision

Explanation:both balls have momentum to start and they share it after collision

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Once carbon begins burning in the core of a high-mass star, the outer layers begin to fall inward, driving up the fusion rates a
sammy [17]

Answer:

Fusion rates and star evolution increase rapidly because of the conversion of hydrogen molecules to helium.

Explanation:

At the early stage of a star mass, hydrogen atoms are produced. After a few billion years, these hydrogen atoms formed at the core of the star mass begin to fuse on the external side of the core. Hydrogen atoms get rapidly fused, resulting to a contraction of the star core, and as more hydrogen atoms get fused, helium atoms are formed.

This action results into rapid into a rapid and violent burning action of hydrogen atoms around the core.

6 0
3 years ago
In a fluid-filled container why is the pressure greater at the base of the container
miss Akunina [59]
I believe because there is much less air and much more water in the bottom
8 0
4 years ago
Read 2 more answers
Water is boiling in a clear pot, as shown in the picture. Which takes place as water cycles from the bottom of the pot toward th
nikitadnepr [17]

Hot and cold water rising and sinking through other water
is definitely a description of convection.
6 0
4 years ago
Read 2 more answers
A kid runs and slides down a slip-n-slide. Once the kid hits the slide they have 200N of friction force acting on them, and they
lutik1710 [3]
Mass (kg) = force (N) / acceleration (m/s).

200/2.5 = 80



7 0
3 years ago
How many moles of mgci2 are there in 326 g of the compound
ddd [48]
<h2>Hello!</h2>

The answer is: There are 3.42 moles of MgCl2 in 326g of the compound.

<h2>Why?</h2>

Assuming that the compound is MgCl2, we can find how many moles of the compound are in 326 g of the same compound, calculating the molar mass of the compound, so:

Mg=24.305\frac{g}{mol}\\\\Cl=35.45\frac{g}{mol}

Then,

MgCl2MolarMass=24.305+(2*35.45)=95.21\frac{g}{mol}

Therefore, to calculate how many moles are in 326 of the compound, we can use the following equation

Moles=\frac{mass}{molarmass} =\frac{326g}{95.21\frac{g}{mol}}=3.42molesMgCl2

Hence,

There are 3.42 moles of MgCl2 in 326g of the compound.

Have a nice day!

6 0
3 years ago
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