Question

the initial momentum is equal to the final momentum . is this law of conservation of momentum ???

Answer 1

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Answer 2

☆☆ AS-SALAMU-ALYKUM ☆☆

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STATAMENT OF LAW OF CONVSERVATION OF MOMENTUM :-
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Momentum of a body brfore and after collision remains conserved .

OR

If there is no external force applied to a system , the momentum of that system remains conserved .

MATHEMATICALLY :-
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F =delta P ÷ t

As there isno external force applied , So , F=0

0 =delta P ÷ t

delta P = 0 × t

delta P = 0

delta P means --> FINAL MOMENTUM _ INITIAL MOMENTUM

So put this in place of delta P in the above relation

Final momentum _ initial momentum = 0

Final momentum = Initial momentum

Pf = Pi

mvf = mvi

THIS IS LAW OF CONSERVATION OF MOMENTUM

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Actually F= delta P ÷ t , is the real equation of Newton's second law .

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