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3 years ago

When will the earths core overheat and explode from the pressure buildup?

Physics

1 answer:

KengaRu [80]3 years ago

3 0

It depends on how the weather is and if a volcano happens it's most likely to build up pressure on the earths core

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You attach a meter stick to an oak tree, such that the top of the meter stick is 1.87 meters above the ground. Later, an acorn f

Verdich [7]

To solve this problem we will apply the concepts related to the kinematic equations of linear motion. We will calculate the initial velocity of the object, and from it, we will calculate the final position. With the considerations made in the statement we will obtain the total height. Initial velocity of the acorn,

$u = 0m/s$

Also, it is given that the acorn takes 0.201s to pass the length of the meter stick.

$s = ut+\frac{1}{2} at^2$

Replacing,

$1 = u(0.141)+ \frac{1}{2} (9.8)(0.141)^2$

$u =6.4013m/s$

The height of the acorn above the meter stick can be calculated as,

$v^2 = u^2 +2gh$

$h = \frac{v^2-u^2}{2g}$

$h = \frac{6.4013^2-0^2}{2(9.8)}$

$h = 2.0906m$

Also the top of the meter stick is 1.87m above the ground hence the height of the acorn above the ground is

$h = 2.0906+1.87$

$h = 3.9606m$

4 0

4 years ago

An object is placed 10 cm from a convex lens of focal length 20 cm. What is the lateral magnification of the object?.

Airida [17]

Answer:Solution

verified

Verified by Toppr

Given:u=−10cm f=20cm (convex lens)

To find: v and image's nature.

Solution: From lens formula

−

Explanation:

7 0

2 years ago

2. What is the momentum of a football of mass 500g traveling at a

Mama L [17]

Answer:

5000 ns

Explanation:

hope this helps

5 0

3 years ago

Magnetic levitation has been used to innovate which aspect of life? A. communication B. mapping C. transportation D. space explo

bekas [8.4K]

I think the correct answer among the choices listed above is option C. Magnetic levitation has been used to innovate transportation. This innovation is commonly known as maglev. It is a new transportation technology where noncontacting vehicles travel above a guideway by magnetic fields.

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4 years ago

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Why are some electromagnetic waves harmful to you but others are not?

MariettaO [177]

The Right Answer Is: <span>the high frequencies and shorter wavelengths penetrates body easily.</span>

8 0

3 years ago

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