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Nana76 [90]
2 years ago
7

What conditions made it possible for earth's interior to separate into layer?

Physics
1 answer:
mamaluj [8]2 years ago
7 0

Answer:

Separation of the Earth into layers (crust, mantle, inner core, and outer core) was largely caused by gravitational differentiation (separating different constituents at temperature where materials are liquid or plastic, owing to differences in density) early in Earth's history.

Explanation:

hoped it helped!!

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Question 1 of 7What is the change in internal energy if 90 J of thermal energy is added to asystem, and the system does 30 J of
Dmitriy789 [7]

Given:

The thermal energy added to the system is Q = 90 J

The work done by the system on the surroundings is W = 30 J

To find the change in internal energy.

Explanation:

According to the first law of thermodynamics, the change in internal energy can be calculated by the formula

\Delta U=\text{ Q-W}

On substituting the values, the change in internal energy will be

\begin{gathered} \Delta U\text{ =90-30} \\ =60\text{ J} \end{gathered}

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5 0
10 months ago
a truck was traveling at 16.6 miles per second and accelerates at a rate of 2.0 meters per second squared how much time is requi
Ivan

A truck was traveling at 16.6 miles per second and accelerates at a rate of 2.0 meters per second squared then time is required for the truck to reach a speed of 25 miles per second is 6759 s.

Explanation:

Velocity is defined as the rate of change in displacement while acceleration is defined as the rate of change of velocity. Acceleration may be positive or negative. Acceleration is positive when the velocity of the object is increases and it is negative when velocity of the object is decreases. Negative acceleration is also called deceleration.

Mathematically

a = \frac{(v_{f} - v_{i})}{t}

Where a is the acceleration of the object, v_{f} is the final velocity of the object and  v_{i} is the initial velocity of the object. t is equal to time taken.

Given data:

v_{f} = 25 miles/s

v_{i} = 16.6 miles/s

a = 2.0 m/s²

t = ?

As velocities and acceleration given in different units, So we need to convert to obtain same units. Here we convert unit of acceleration  from m/s² to miles/s².

1 m/s² = 0.000621371192 miles/s²

2 m/s² = 0.00124274238 miles/s²

So,

a = 0.00124274238 miles/s²

Apply formula

a =\frac{v_{f} - v_{i}}{t}

t = \frac{(v_{f} - v_{i})}{a}

t = \frac{(25 - 16.6)}{0.00124274238}

t = 6759 s

Learn more about velocity and acceleration from

brainly.com/question/1192983

#learnwithBrainly

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What does Force Means​
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Answer:

strength or energy as an attribute of physical action or movement.

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