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never [62]
4 years ago
15

Why a dam is thicker at the bottom than it's top​

Physics
1 answer:
timurjin [86]4 years ago
6 0

Answer: Due to water pressure.

Explanation:

As depth increases so does the pressure.

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A certain piece of metal (density 9.45 grams per cubic centimeter) has the shape of a hockey puck with a diameter of 13 cm and a
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0.0195 m

Explanation:

\rho _{p} = density of hockey puck = 9.45 gcm⁻³ = 9450 kgm³

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Weight of mercury displaced = Weight of puck

\rho _{m} (0.25)(\pi d_{p}^{2} d ) g = \rho _{p} (0.25)(\pi d_{p}^{2} h_{p} ) g\\\rho _{m} ( d ) = \rho _{p} ( h_{p} )\\(13600) d = (9450) (0.028)\\d = 0.0195 m

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I need help solving this
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Answer: let me think

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