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3 years ago

10

what will happened when an un boiled egg is placed in the beaker of fresh water and salt water explain it

1 answer:

Karolina [17]3 years ago

6 0

Adding salt to the water increases the density of the solution because the salt increases the mass without changing the volume very much, once enough salts been added to the water the salt water solution density becomes higher than the eggs so the egg will then float

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3 years ago

A horizontal 2.00\ m2.00 m long, 5.00\ kg5.00 kg uniform beam that lies along the east-west direction is acted on by two forces.

Sunny_sXe [5.5K]

Answer: $240\ rad/s^2$

Explanation:

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Also, the beam starts rotating about its center

So, the moment of inertia of the beam is

$I=\dfrac{ml^2}{12}=\dfrac{5\times 2^2}{12}\\\\I=\dfrac{5}{3}\ kg.m^2$

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$\Rightarrow \tau=I\alpha\\\\\Rightarrow 400=\dfrac{5}{3}\times \alpha\\\\\Rightarrow \alpha =240\ rad/s^2$

7 0

3 years ago