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SVEN [57.7K]
3 years ago
5

ولقد ائينا لقن أكمة أي أشگر ل ومن ي فإنما |

Physics
1 answer:
Ierofanga [76]3 years ago
3 0
ما هذا؟
هل لديك سؤال؟
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Describe how one plays Dr.Dogeball​
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3 years ago
In a galvanic cell, electrons flow from the ________ to the _______ .
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Answer:

E.

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7 0
3 years ago
A closed system:
adoni [48]
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2 years ago
When does carbon dioxide absorb the most heat energy? uring freezing during deposition during sublimation during condensation?
ololo11 [35]
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3 0
3 years ago
Read 2 more answers
I NEED HELP ASAP!!!!!
Ratling [72]

Answer:

D) momentum of cannon + momentum of projectile= 0

Explanation:

The law of conservation of momentum states that the total momentum of an isolated system is constant.

In this case, the system cannon+projectile can be considered as isolated, because no external forces act on it (in fact, the surface is frictionless, so there is no friction acting on the cannon). Therefore, the total momentum of the two objects (cannon+projectile) must be equal before and after the firing:

p_i = p_f

But the initial momentum is zero, because at the beginning both the cannon and the projectile are at rest:

p_i = 0

So the final momentum, which is sum of the momentum of the cannon and of the projectile, must also be zero:

p_f = p_{cannon}+p_{projectile} =0

6 0
3 years ago
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