3 years ago

Descirbe what has happen to earths continents today

1 answer:

5 0

Today, we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics. The continents are still moving today. Some of the most dynamic sites of tectonic activity are seafloor spreading zones and giant rift valleys.

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An aircraft, traveling northward, lands on a runway with a speed of 77 m/s. Once it touches down, it slows to 6.3 m/s over 705 m

KengaRu [80]

Answer:

magnitude

$a = 4.18 m/s^2$

Direction

Opposite to the velocity of aircraft

Explanation:

As we know that the initial speed of the aircraft when it land on the ground is

$v_i = 77 m/s$

now the final speed of the aircraft when it covers 705 m on runway is given as

$v_f = 6.3 m/s$

so here we know that

$v_f^2 - v_i^2 = 2 a d$

so now we can say that

$6.3^2 - 77^2 = 2ad$

$6.3^2 - 77^2 = 2(a)(705)$

$a = -4.18 m/s^2$

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3 years ago

Which phenomenon occurs when a wave encounters a non–transmitting barrier

SpyIntel [72]

Answer:

Absorption

Explanation:

A non-transmitting barrier would not allow a wave to go through. When a wave is unable to pass through a barrier, it is not transmitted and can get absorbed or reflected back. The wave can also try to go round the barrier.

Most likely, the wave gets absorbed by the barrier and it stops it.

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4 years ago

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The maximum value of magnetic in an electric field 3.2 *10^4

Svetradugi [14.3K]

Answer:

the answer is 12 because if your magnetic value and Electric field is 3.2 the answer will be 12

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3 years ago

What happens when a force exerted on an object cause the object to move?

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