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11111nata11111 [884]
4 years ago
5

List the causes/driving forces that affect currents in the ocean

Physics
1 answer:
Nitella [24]4 years ago
7 0

A list of causes/driving forces that affect currents in the ocean includes;

  • Prevailing winds,
  • Coriolis effect,
  • Salinity
  • & Temperatures

Explanation:

Warmer waters usually form the surface currents because they are less dense than colder waters (that form deep currents). Usually, water from the equator towards the pole moves on the surface because these waters are warmer while currents from the poles to the equator move in the deep currents. Highly saline waters are also denser and can be found in the deep oceans.

The movement surface currents are highly influenced  by prevailing winds that blow predominantly in one direction hence dragging surface waters with them (they are also the cause of waves)

Deeper currents are mainly affected by the Coriolis effect of the earth rotation which is why currents are deflected  more as they move towards the poles (and responsible for Ekman transport).

Learn More:

For more on ocean currents check out;

brainly.com/question/12036633

brainly.com/question/9233224

#LearnWithBrainly

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Now, using Newton's equation of motion, we find the displacement.

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A block of mass m is at rest at the origin at t=0. It is pushed with constant force F0 from x=0 to x=Lacross a horizontal surfac
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Answer:

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Explanation:

For this exercise we will use Newton's second law

X axis

           Fo - fr = ma

Y Axis  

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The equation for the force of friction is

         fr = μ N

        .fr = μ mg

Let's replace

     Fo - μ mg = m a

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They ask us the speed of the block, so we must use

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We replace

     v dv = (F₀ / m - μ₀ (1- x/L)) dx

We integrate

     ∫v dv = F₀ / m ∫ dx - μ₀ ∫ dx + 1 / L ∫ x dx

    ½ v² = (F₀ / m - μ₀) x + 1 / L x² / 2

We evaluate from the lower limit, for x = 0 the speed is zero v = 0, to the upper limit x, v

     ½ v² = (F₀ / m - μ₀) x + 1 / 2L x²

     v = √[(F₀ / m - μ₀) 2x + x2 / L]

Part B

The velocity for x = L

   v = √(F₀ / m - μ₀) 2L + L2 / L

   v = √[2 (F₀ / m - μ₀) +1] L

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