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Alexxx [7]
3 years ago
11

.

Physics
2 answers:
weeeeeb [17]3 years ago
6 0

Answer:

Lower pressure causes the papers to move closer to each other.

Explanation:

As we know by Bernoulli's principle

P + \frac{1}{2}\rho v^2 = constant

so here when air between the two papers is at normal situation then let say the pressure between the two papers is P_o

now if the air between two papers is blown by straw then the speed of air between two papers will increase.

So as per the equation above the pressure will decrease as the sum of pressure and kinetic energy per unit volume must be constant.

So here the pressure between two papers will decrease due to which the two papers will come closer to each other.

so correct answer will be

Lower pressure causes the papers to move closer to each other.

guajiro [1.7K]3 years ago
4 0
Higher the pressure the air would spread apart causing the paper to move to the other side. So higher pressure causes the papers to move farther apart.
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