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goldenfox [79]
3 years ago
9

How much more intense is sound at 40 db than sound at zero db?

Physics
1 answer:
Gnesinka [82]3 years ago
3 0
It is 10^4 times the intensity at 0 db
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Jill can use a force of 12.0 N to lift a single box up 5.00 m. How many of these boxes must she lift it in a minute to use 60.0
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Answer:

60 boxes

Explanation:

The work done by lifting a single box is equal to the force applied (the weight of the box) times the displacement of the box:

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