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Kisachek [45]
3 years ago
5

_____reaches the Earth’s surface through ______, then turns into ______.

Physics
1 answer:
VikaD [51]3 years ago
4 0

Answer:

D

Explanation:

magma comes up from the core and comes out through volcanoes and then is turned into lava.

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One hypothesis states that plate movement results from convection currents in the
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I believe is A) Inner core
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3 years ago
A car is moving with an initial relocity of
MA_775_DIABLO [31]

Answer:

The final acceleration of the car, v = 70 m/s

Explanation:

Given,

The initial velocity of the car, u = 20 m/s

The acceleration of the car, a = 10 m/s²

The time period of travel, t = 5 s

Using the I equations of motion

                     v = u + at

                        = 20 + 10(5)

                        = 20 + 50

                        = 70 m/s

Hence, the final acceleration of the car, v = 70 m/s

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3 years ago
The battleship and enemy ships 1 and 2 lie along a straight line. Neglect air friction. battleship 1 2 Consider the motion of th
DaniilM [7]

Answer:

\frac{t_1}{t_2} = \frac{sin\theta_1}{sin\theta_2}

Explanation:

The vertical component of the initial velocities are

v_v = v_0sin\theta

If we ignore air resistance, and let g = -9.81 m/s2. The the time it takes for the projectiles to travel, vertically speaking, can be calculated in the following motion equation

v_vt - gt^2/2 = s = 0

t(v_v - gt/2) = 0

v_v - gt/2 = 0

t = 2v_v/g = 2v_0sin\theta/g

So the ratio of the times of the flights is

t_1 / t_2 = \frac{2v_0sin\theta_1/g}{2v_0sin\theta_2/g} = \frac{sin\theta_1}{sin\theta_2}

8 0
3 years ago
Two stones are launched from the top of a tall building. One stone is thrown in a direction 25.0cm above the horizontal with a s
fomenos

Answer:

Explanation:

the one thrown below the horizontal is going straight down, while the one above the horizontal will experience a projectile motion which will makes it move farther away from the building where it was projected.

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Which of these is a type of matter that rarely interacts with other matter and is created in some nuclear fusion reactions withi
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Answer:

the answer is helium you already know that because im in college on my way to the military next week bless me

Explanation:

7 0
3 years ago
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