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2 years ago

Which fators influence ocean currents

Physics

1 answer:

lozanna [386]2 years ago

6 0

Answer:

Wind. Wind is the single biggest factor in the creation of surface currents. ...

Water Density. Another major factor in the creation of currents is water density, caused by the amount of salt in a body of water, and its temperature. ...

Ocean Bottom Topography. ...

Coriolis Effect.

Explanation:

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How many molecules of Oxygen gas are there on the reactant side of this equation?

Sergeeva-Olga [200]

Answer:

Explanation:

It has 8 O atoms and 4 O2(g) molecules

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2 years ago

Which type of lens is shown in the picture below?<br> plane<br> refractional<br> concave

TiliK225 [7]

It is a concave lens

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3 years ago

Please help with this science question and please explain if you can! I'm so confused

forsale [732]

In this experiment, the independent variable is the surface, the dependant variable is the distance one end of the surface must be lifted to see movement of the object, and the control variable is the object. Since the surface height at one end is changed and the object is kept the same, the only conclusion that can be made is whether the surface has an effect on the force of friction. Of course, basic physics tells you that it does, therefore A is correct.

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3 years ago

A 60 kg boy and 40 kg girl stand on skateboards on a frictionless horizontal surface. The boy pushes the girl away from him. The

bezimeni [28]

Here in the above situation when boy pushes the girl there will be equal and opposite force on boy as per Newton's III law.

Due to this action reaction law boy will also go back with some speed.

Since there is no external force on this girl + boy system so we can use momentum conservation principle here.

As per momentum conservation

$m_1v_{1i} + m_2v_{2i} = m_1v_{1f} + m_2v_{2f}$

$60*0 + 40*0 = 60*v_{1f} + 40*0.3$

$0 = 60*v_{1f}+ 12$

$v_{1f} = -0.2 m/s$

So boy will go back with speed 0.2 m/s

Part b)

Since the boy and girl will always exert same force on each other by Newton's III law so it has no it matter whether the boy pushed the girl, the girl pushed the boy, or they put their hands together and pushed each other away.

As in all above cases the as per Newton's III law the force on them is always equal and opposite.

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2 years ago

This force can either push the block upward at a constant velocity or allow it to slide downward at a constant velocity. The mag

sweet-ann [11.9K]

Answer:

Explanation:

Given

coefficient of kinetic friction $(\mu _k)$ =0.34