4 years ago

According to the continental drift theory, what separated the continents?

Physics

1 answer:

Svet_ta [14]4 years ago

8 0

Just finished this it is B. Centrifugal force

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3 years ago

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3.12 ** To illustrate the use of a multistage rocket consider the following: (a) A certain rocket carries 60% of its initial mas

madreJ [45]

Answer:

$0.916v_{ex}$

Explanation:

A multistage rock is also known as a step rocket and it is a form of vehicle that can use more than a rocket stage. The rocket stage typically contains propellant as well as its engine. The final speed of the rocket can be estimated using the equation below:

$v = v_{ex} ln(\frac{m_{o}}{0.4m_{o}})$ $= v_{ex}*ln(2.5) = v_{ex}*0.916 = 0.916v_{ex}$

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4 years ago

Starting from one oasis, Thaïs and Athanaël walk 25 km in a direction 30° south of west and then walk 30 km toward the north to

Fudgin [204]

Answer:

= 51° West of North

Explanation:

The displacement along the horizontal direction

$R_x = -(25km)cos 30^\circ i\\\\= -(21.65km)i$

The displacement along the vertical direction

$R_y = -(25km) sin210^\circ i + (30km)j\\\\= -(12.5km)j + (30km)j\\\\= (17.5km)j$

The magnitude of the displacement is

$R = \sqrt{(-21.65km)^2 + (17.5km)^2} \\$

The direction is

$\theta = tan^-^1(\frac{17.5km}{-21.65km} )\\\\= -38.9^\circ\\\\$

= 51° West of North

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3 years ago

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Two square air-filled parallel plates that are initially uncharged are separated by 1.2 mm, and each of them has an area of LaTe

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5.5x 10^-11 C

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3 years ago

Sand is made of tiny pieces of rock that have been worn down by wind and water. Explain why the formation of sand is a physical

Sliva [168]

The formation of sand is a physical change because some of the physical properties of the rocks change, but their identities do not. The particles of rock are rearranged as their sizes and shapes change, but their identities and total mass remain the same.

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