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gregori [183]
3 years ago
6

If you free the cork in a highly pressurized champagne bottle, the resulting launch of the cork will, in principle, cause the bo

ttle to recoilA filled champagne bottle has a mass of 1.8 kg. The cork has a mass of 7.5 g and is launched at 20 m/s . If the bottle could move freely, with what speed would it recoil? this something you are likely to notice?
Physics
1 answer:
Rudiy273 years ago
5 0

Answer:

6.7 × 10^{-2}

Explanation:

Initial P = Final P

(1.8 × 0) + (.0075 × 0) = (1.8 × x) + (.0075 × 16)

-.12 + 1.8x

x = .0067

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The density of a glass is 2.5 g/cm3. if the glass breaks, what is the density of the smaller pieces​
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Answer:

See the explanation below.

Explanation:

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m = mass [g]

V = volume [cm³]

In such a way that when the glass is broken the small fragments retain the same density ratio. That is, each fragment has a small mass and a small volume. That's why the density remains the same.

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