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4 years ago

6

What causes density currents to form in the mediterranean sea?

2 answers:

anastassius [24]4 years ago

8 0

Answer:

b. evaporation

Explanation:

Evaporation causes density currents to form in the Mediterranean sea.

Evaporation results in the change in the density, which results in the formation of the deep ocean and it leaves the salt and it causes the difference in the density and forms a density current.

Density currents because of the evaporation are formed in the Mediterranean sea.

11111nata11111 [884]4 years ago

6 0

B. evaporation ................

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What causes chronic strain

Dovator [93]

Answer:

Strains can be acute or chronic. An acute strain is caused by trauma or an injury such as a blow to the body; it can also be caused by improperly lifting heavy objects or over-stressing the muscles. Chronic strains are usually the result of overuse--prolonged, repetitive movement of the muscles and tendons.

Explanation:

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3 years ago

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What is the wavelength of an earthquake wave if it has a speed of 3 km/s and a frequency of 10 Hz?

boyakko [2]

Yes because it can hit hard and real fast

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3 years ago

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A 50.3-kg person, running horizontally with a velocity of 2.44 m/s, jumps onto a 13.4-kg sled that is initially at rest. (a) Ign

Simora [160]

Answer:

a

$v = 1.9267 \ m/s$

b

The value is $\mu = 0.0063$

Explanation:

From the question we are told that

The mass of the person is $m_1 = 50.3 \ kg$

The horizontal velocity is $u_1 = 2.44 \ m/s$

The mass of the shed is $m_2 = 13.4 \ kg$

The distance covered is $d = 30 \ m$

Generally from the law of momentum conservation we have that

$m_1 * u_1 + m_2 * u_2 = (m_1 + m_2)v$

Here $u_2$ is the initial velocity of the shed which is 0 m/s

$50.3 * 2.44 + 13.4 * 0 = (50.3 + 13.4) v$

=> $v = 1.9267 \ m/s$

Generally the workdone by friction is mathematically represented as

$W = \Delta KE$

$W = \frac{1}{2} * m * (v_f - v )$

Here $v_f$ is the final velocity of the person and the shed when they come to rest and the value is $v_f = 0 \ m/s$

Generally this workdone by friction is also mathematically represented as

$W = - \mu * m * g * d$

=> $- \mu * m * g * d = \frac{1}{2} * m * (v_f - v )$

=> $\mu = - \frac{0.5 * ( v_f^2 - v^2 )}{g * d }$

=> $\mu =- \frac{0.5 * ( 0^2 - 1.9267^2 )}{9.8 * 30 }$

=> $\mu = 0.0063$

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3 years ago

What happens if a species is unable to adapt to a changing environment

Hoochie [10]

I believe the answer is B.

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4 years ago

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Another example of square-root relationships is the relation between the speed of a wave along a string under tension and the te

klio [65]

Answer:

The right answer is "18 m/s".

Explanation:

The given values are:

Velocity,

V = 6 m/s

Tension,

T = 9 N

As we know,

⇒ $V=(\frac{T}{u})^{\frac{1}{2}}$

On substituting the given values, we get

⇒ $6=(\frac{9}{u} )^{\frac{1}{2}}$

⇒ $36=\frac{9}{u}$

⇒ $u=\frac{9}{36}$

⇒ $=\frac{1}{4}$

Now,

For 81 N the velocity will be:

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⇒ $=18 \ m/s$

7 0

3 years ago