3 years ago

The process by which lithospheric plates move apart creating spaces that are filled with hot magma is called _____.

Physics

2 answers:

alukav5142 [94]3 years ago

8 0

Volcano hope this it is

oksian1 [2.3K]3 years ago

7 0

I think it is seafloor spread hop this helps

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A substance that contains only one kind of matter is known as a(n)

Anna35 [415]

An element would be the type of substance that only contains one kind of matter.

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3 years ago

A 4,000 kg truck is moving at +10 m/s hits a 1500 kg parked car which moves off at +10 m/s. What is the velocity of the truck

Igoryamba

Answer:

10m/s

Explanation:

Using the law of conservation of momentums

M1u1+m2u2 = (m1+m2)v

Substitute.

4000(10)+1500(10) = (4000+1500)v

40,000+15,000 = 5,500v

55000 = 5500v

v = 55000/5500

v= 10m/s

Hence the velocity of the truck after Collision is 10m/s

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3 years ago

19. Arrange from smallest to largest: the BTU, the joule, and the calorie.

Papessa [141]

Answer: Don't know sorry

Explanation:

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2 years ago

What is the velocity of a ball dropped from a height of 150 m when it hits the ground? Take the upward direction as positive.

djyliett [7]

Answer:

The velocity of the ball when its hit the ground will be 54.22 m/sec

Explanation:

We have given height from which ball is dropped h = 150 m

Acceleration due to gravity $g=9.8m/sec^2$

As the ball is dropped so initial velocity will be zero so u = 0 m/sec

According to third equation of motion we know that $v^2=u^2+2gh$

$v^2=0^2+2\times 9.8\times 150$

$v=54.22m/sec$

So the velocity of the ball when its hit the ground will be 54.22 m/sec

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3 years ago

The water in the plumbing in a house is at a gauge pressure of 350,000 pa. what force does this cause on the top of the tank ins

adelina 88 [10]

Use P=F/a
whereas P= 350000 and a=.9m2
substitute into the formula we get
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3 years ago