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lozanna [386]
3 years ago
11

How does plate tectonics help to explain the hard rock we find in Manhattan? More than 4 sentences

Physics
1 answer:
Svet_ta [14]3 years ago
7 0
As continents move, they collide and rift according to a model known as the Wilson Cycle. The Wilson Cycle can be summed up as follows:

A stable continent begins to rift apart in order to accommodate heat escaping from the mantle. 

As the rift forms, the continent is stretched and thinned, and faults lead to some mild deformation. 

Magma intrudes into the continent and erupts onto the surface.

The continent is split and the sides pushed away from each other. 

As the plate margins separate, they undergo a period of calm. Sediments are deposited and build up in layers. 

Eventually, the margin will begin to move towards another continental margin. The ocean crust will subduct under the continental crust (due to the densities of the materials in the different crust). 

Volcanoes will form and collide with the margin (Mt. St. Helens is a modern example of such a volcanic arc). 

Eventually, the continental margins are close enough that they collide with each other, forming a mountain range (the Himalayans are a modern example). 

Each stage of the Wilson Cycle will produce different types of rocks.  When rifting, basalts and other mafic igneous rocks form. During the stable, calm phase, sedimentary rocks are formed. Volcanic arcs during the closing form igneous rocks, and the continental collision forms metamorphic rocks. 

Manhattan is an example of a continental margin that has undergone this process. It is currently in its second stage of calm. The rocks that are now there were deposited during the calm phase of the last cycle, and then metamorphosed during the formation of the supercontinent Pangea into the rocks that are now present. 
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Two blocks are initially at rest with a compressed spring between them. When the spring is released, the 2m block moves to the l
Vlad1618 [11]

<u>Answer:</u>


In an <u>inelastic collision</u> the kinetic energy is not conserved, but <u>the total momentum of the system is conserved</u>.



In other words; the Initial momentum P_{i} is equal to the Final Momentum P_{f}:



P_{i}=P_{f}



Then:


<h2>P_{i}-P_{f}=0 </h2>

This means that after the collision the kinetic energy is transformed (dissipated) into another type of energy (caloric energy, for example); and there may be deformation in the blocks.



Therefore, the sentence that best describes this situation is:



<h2>The total momentum is zero.  </h2>
8 0
3 years ago
Read 2 more answers
The volleyball team practiced their serves, rotations, and ________. Which choice completes the sentence with correct parallel s
Phoenix [80]

Answer

Correct Answer is a.(spikes)

Explanation:

option a is correct because here serves, rotation and spikes all the three words are using as object.

The volleyball team practiced their serves, rotations, and spikes.

option b cannot be correct because here spiking is used as a verb and sentence(The volleyball team practiced their serves, ) is in past indefinite form and we cant use word spiking here because this form of verb is used in continues form of sentences only.

Option c cannot be correct as because in this option ""spikes the ball" spikes is used as a verb  which can be used in present indefinite form of sentence only but here sentence is in past indefinite form.

Again option d cannot be correct because  in this option ""spikes over the net" spikes is used as a verb  which can be used in present indefinite form of sentence only but here sentence is in past indefinite form.

5 0
4 years ago
Read 2 more answers
Assume 10,000 electrons were transferred from your hair to the balloon. a.What is the charge in Coulombs on the balloon? b.What
IgorLugansk [536]

Answer:

a. the charge on the balloon is -1.602^-15 C

b. the charge on the hair is 1.602^-15 C

c. the force is -2.3*10^-16 N

Explanation:

a. 1 electron has charge of -1.602*10^-19 C

10,000 then has a charge of 10000*-1.602*10^-19 = -1.602^-15 C

b. The charge gained by the balloon is equal in measure but with the opposite sign to the change in the hair

c. From Coulomb's law the force is:

F = k*q1*q2/r²

where k = 9×10^9 N*m²/C²,  q1 and q2 are the charges, and r is the distance (in meters). Replacing with data:

F = 9×10^9*-1.602^-15*1.602^-15/0.01²

F = -2.3*10^-16 N

3 0
4 years ago
What is the difference between balanced force and action reaction force
Vilka [71]

Answer:

Balanced forces are equal and opposite forces that act on the same object. ... Action-reaction forces are equal and opposite forces that act on different objects, so they don't cancel out. In fact, they often result in motion.

5 0
3 years ago
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rjkz [21]

Answer:

He is wrong!

Explanation:

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Hope this helps! ;-)

3 0
3 years ago
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