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Svetradugi [14.3K]
3 years ago
14

The force that probably propels the movement of the earth s gigantic rock plates is

Physics
1 answer:
il63 [147K]3 years ago
4 0

The correct answer is:

c. convection.

The heating of magma and the continuous cycle of evolution of the magma creating a convection current is the reason for the evolution of Earths tectonic plates.

Explanation:

Tectonic plates are ready to move because the Earth's lithosphere has higher strength than the underlying asthenosphere. Lateral density changes in the mantle appear in convection. Plate movement is believed to be driven by a succession of the motion of the seafloor apart from the extended ridge (due to variations in topography and density of the crust.

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When you put a pot of water on the stove, the stove transfers thermal energy to the water. As the water gains large
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Answer:

It releases some of the energy into the atmosphere as hot steam.

Explanation:

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Swinging a tennis racket against a ball is an example of a third class lever. Please select the best answer from the choices pro
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that statement is true

a Third class lever applied when the effort place between the load and the fulcrum.

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3 years ago
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nirvana33 [79]

The material that is more closely related to the Styrofoam insulator.

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Keeping something warm includes the stopping of the transfer of heat from one object to another. This is how insulation works.

Styrofoam is an insulator, which means it'll help keep the heat from the environment out of your cooler. However, you'll still need cooling agents (like ice packs) to make the cooler cold in the first place.

Styrofoam is usually made mostly of air, which means it is a poor conductor of heat, but an excellent convector. It traps the air in small pockets, which blocks the flow of heat energy. This reduces both conduction and convection and makes Styrofoam a good insulator.

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2 years ago
3. A large crane lifts a 25,000 kg mass in the air. The amount of work that must be done by the
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\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the concept of Efficiency.

Here we can see that, the Input work is given as 2.2 x 10^7 J and the efficiency is given as 22%

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so we get as,

E = W(output) /W(input)

hence, W(output) = E x W(input)

so we get as,

W(output) = (22/100) x 2.2 x 10^7

=> W(output) = 0.22 x 2.2 x 10^7 => 0.484 x 10^7

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