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Lapatulllka [165]
2 years ago
12

What are some ways that humans depend on the ocean?

Physics
2 answers:
solmaris [256]2 years ago
6 0

Answer:

  • fishing
  • swimming/entertainment
  • the algae that gives us oxygen
  • water! It evaporates and gives us rain
  • research

Explanation:

yulyashka [42]2 years ago
5 0

Answer:

A lot of the earth oxygen comes from the ocean around 50%-80%

Explanation:

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What are conductors, semiconductors, non-conductors, dielectrics?
elena55 [62]

Conductors are substances that pass an electrical charge.

Semiconductors are substances whose electrical conductivity is lower than that of metals and greater than that of dielectrics.

Electricity nonconductors or insulators - in the terminology of Faraday - dielectrics (see). N. perfect does not exist; they represent only a large resistance to galvanic current and then different bodies in varying degrees (see Galvanic current), so that between poor and good conductors there are many bodies of average conductivity. N. The galvanic current is also the best insulators of static electricity. N. Heat or its bad conductors are at the same time electrical insulators (see Thermal Conductivity).

A dielectric (insulator) is a substance that is poorly conducting or not conducting at all. The concentration of free charge carriers in a dielectric does not exceed 108 cm-3. The main property of the dielectric is the ability to polarize in an external electric field. From the point of view of the band theory of a solid body, a dielectric is a substance with a band gap greater than 3 eV.

5 0
2 years ago
One gram of salt in 100 liters of water could be considered a _______________________ solution
Doss [256]
That would be a diluted solution

5 0
3 years ago
Read 2 more answers
What is the z coordinate for the above vector?
Hitman42 [59]
120 m would be he answer
4 0
3 years ago
A rock is projected from the edge of the top of a building with an initial velocity of 21.6 m/s at an angle of 37◦ above the hor
dusya [7]
<h2>Horizontal component of the rock’s velocity when it strikes the ground is 17.25 m/s</h2>

Explanation:

In horizontal direction there is no acceleration or deceleration for a rock projected at an initial angle of 37° off the ground.

So the horizontal component of velocity always remains the same.

Horizontal component of velocity is the cosine component of velocity.

Initial velocity, u = 21.6 m/s

Angle, θ = 37°

Horizontal component of velocity = u cosθ

Horizontal component of velocity = 21.6 cos37

Horizontal component of velocity = 17.25 m/s

Since the horizontal velocity is unaffected, we have

    Horizontal component of the rock’s velocity when it strikes the ground = 17.25 m/s

5 0
2 years ago
a hockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player trav
ratelena [41]

mass of first player = 82 kg

speed of first player = 4.1 m/s (towards North)

mass of second player = 76 kg

speed of second player = 3.4 m/s (towards East)

now the two players will collide and stick together so here since there is no external force on the system of two players so we will say momentum of system of players will remain conserved

So here we will have

P_{1i} = 82 (4.1 \hat j)

P_{2i} = 76 (3.4 \hat i)

now after collision they both move together with same speed so we will have

P_{1i} + P_{2i} = (m_1 + m_2)v

336.2\hat j + 258.4\hat i = (82 + 76)v

v = 1.64\hat i + 2.13 \hat j

so the magnitude of the velocity after they collide is given as

v = \sqrt{1.64^2 + 2.13^2}

v = 2.69 m/s

direction of motion is given as

tan\theta = \frac{2.13}{1.64} = 1.3

\theta = 52.4 degree

so they both will move 52.4 degree North of East after collision

7 0
3 years ago
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