3 years ago

True or False? Density of ocean water is not affected by salinity (salt content).

Chemistry

2 answers:

Nastasia [14]3 years ago

8 0

Answer:

false

Explanation:

iren [92.7K]3 years ago

3 0

Answer: yes it its true.

Explanation: I just see that in a exam

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gregori [183]

Answer:

v = 16.49 m/s

Explanation:

Given that,

Length of the string, l = 1.15 m

The ball makes 137 complete turns each minute.

We know that, 1 turn = 6.28 rad

137 turns = 860.79 rad

1 min = 60 s

$\omega=\dfrac{860.79\ rad}{60\ s}\\\\=14.34\ rad/s$

We need to find the tangential velocity of the ball. It can be given by

$v=r\omega\\\\=1.15\times 14.34\\\\v=16.49\ m/s$

So, the tangential velocity of the ball is 16.49 m/s.

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3 years ago

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Vera_Pavlovna [14]

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notsponge [240]

True....

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