Question

2 Why is it difficult to force ball into the bottle
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Answer 1

Answer:

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Explanation:

It is difficult to force the paper ball, which is kept near the mouth of a bottle, into the bottle by blowing air because when we blow into the mouth of the bottle to move the paper ball inside, the air near the mouth get a higher speed. ... The air pressure inside the bottle is higher than near the mouth.

Answer 2

Answer:

It is difficult to force the paper ball, which is kept near the mouth of a bottle, into the bottle by blowing air because when we blow into the mouth of the bottle to move the paper ball inside, the air near the mouth get a higher speed. ... The air pressure inside the bottle is higher than near the mouth.

Explanation: