3 years ago

A space with an absolute pressure less than one atmosphere may be considered?

Physics

1 answer:

jenyasd209 [6]3 years ago

3 0

It considered as Zero Gage pressure.

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Answer:

F = 0.483 N

Explanation:

Initial momentum, $P_i= 7\ kg-m/s$

Final momentum, $P_f= 22\ kg-m/s$

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We need to find the force of a lead ball. We can use here the impulse momentum theorem.

$\text{Change in momentum}=F\times t$

F is force

$P_f-P_i=Ft\\\\F=\dfrac{P_f-P_i}{t}\\\\F=\dfrac{22-7}{31}\\\\F=0.483\ N$

So, the force is 0.483 N.

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Rasek [7]

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Which of the following describes pressure in a fluid ?

emmainna [20.7K]

Answer A sounds about right

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