/u/TheBoyWithAName's posts in /r/askscience

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Why the exhaust gas of a rocket engine (or a jet engine) flows faster when the cross section area of the exhaust nozzle increases?

789 upvotes

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Why noncompressible fluid has higher velocity when moving through smaller cross section area?

8 upvotes

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Can a baby tells the difference between his/her mother and the mother's twin sister?

2 upvotes

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If I have 2 projectiles of same mass and made of same material, but one is a solid metal arrow and the other is a stream of molten metal, which one will have highest penetration when striking a target?

1 upvotes

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Matter and Antimatter Physical Interaction.

1 upvotes

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On which condition will matter and antimatter annihilate?

1 upvotes

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Solid projectile vs fluid projectile?

1 upvotes

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How to ensure the reactants receive enough activation energy for chemical reaction to take place?

1 upvotes

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How much mass can the Eiffel Tower carry before permanent deformation occurs?

1 upvotes

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On which condition will matter-antimatter annihilation take place?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why the exhaust gas of a rocket engine (or a jet engine) flows faster when the cross section area of the exhaust nozzle increases?	789
Why noncompressible fluid has higher velocity when moving through smaller cross section area?	8
Can a baby tells the difference between his/her mother and the mother's twin sister?	2
If I have 2 projectiles of same mass and made of same material, but one is a solid metal arrow and the other is a stream of molten metal, which one will have highest penetration when striking a target?	1
Matter and Antimatter Physical Interaction.	1
On which condition will matter and antimatter annihilate?	1
Solid projectile vs fluid projectile?	1
How to ensure the reactants receive enough activation energy for chemical reaction to take place?	1
How much mass can the Eiffel Tower carry before permanent deformation occurs?	1
On which condition will matter-antimatter annihilation take place?	1