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Scrat [10]
3 years ago
13

Lets gooooo i got 69 thanks on my profile

Physics
2 answers:
Zarrin [17]3 years ago
7 0
There is nothing beyond it because it’s just universe and it goes forever
Anarel [89]3 years ago
3 0

The universe is everything, so it isn't expanding into anything. It's just expanding. All of the galaxies in the universe are moving away from each other, and every region of space is being stretched, but there's no center they're expanding from and no outer edge to expand into anything else.

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If the mass of each ball were the same, but the velocity of ball A were twice as much as ball B, what do you think would happen
Margaret [11]
Given momentum is conserved and is mv

if
mass is the same and va=2vb
then momentum is m(2vb + vb)

if collision is elastic (bounces off)
then m(2vb + vb) = m(vfa + vfb)
3vb = vfa + vfb
meaning final velocities would be different

if collision is inelastic (sticks together)
then m(2vb + vb) = (m+m)vf
meaning final velocity would be same

is this what you wanted?
5 0
3 years ago
2. Who bombarded molybdenum with atomic number (Z=42) with fast moving<br>neutrons?<br>​
Dominik [7]

Answer:

This question appears incomplete

Explanation:

This question appears incomplete, however Molybdenum-99 (⁹⁹Mo) is produced by bombarding Molybdenum-98 (⁹⁸Mo) with fast moving neutrons (¹₀n) as shown below

⁹⁸₄₂Mo + ¹₀n ⇒  ⁹⁹₄₂Mo + ⁰₀γ

This reaction is a nuclear caption reaction (which occurs in a nuclear reactor) for the production of Molybdenum-99 (⁹⁹Mo) which serves as a "precursor" for the production of medically viable/ Clinical Grade Technutium-99m (⁹⁹Tc) through Ion-exchange technique.

3 0
4 years ago
What is the dimension of area​
never [62]

Thus, area is the product of two lengths and so has dimension L2, or length squared.

3 0
3 years ago
A substance a
Brums [2.3K]

Answer:

B. Medium

Explanation:

I don't know how to explain it but I already did this lesson in school

5 0
3 years ago
Which of the following non-metals is used as a lubricant in powdered form?
blondinia [14]

Answer:

Graphite.

Explanation:

Graphite:<em> "a gray crystalline allotropic form of carbon which occurs as a mineral in some rocks and can be made from coke. It is used as a solid lubricant, in pencils, and as a moderator in nuclear reactors."</em>

5 0
3 years ago
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