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3 years ago

Gravity____? Help please

Physics

2 answers:

Anika [276]3 years ago

8 0

Gravity is described as a fundamental force and therefore does not depend on other forces

HACTEHA [7]3 years ago

3 0

Gravity is a fundamental force. I understand why you asked the question, as the answers are challenging. Gravity does not depend upon velocity, nor does friction make gravity work.
The force of gravity affects systems of mass due to the acceleration it creates in a system.

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Autotrophic plants do not require which of the following? solar energy carbon dioxide water oxygen NextReset

alukav5142 [94]

Autotrophic plants do not require "Oxygen" as it is a waste product of the process of photosynthesis which they do.

In short, Your Final Answer would be Option D

Hope this helps!

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4 years ago

Radioactive was discovered by Albert Einstein Truth or False Need answer

Iteru [2.4K]

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3 years ago

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kirza4 [7]

Answer:

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3 years ago

Why are we not crushed by the weight of the atmosphere on our shoulders?

antiseptic1488 [7]

Answer:

Due to equal pressure in all the direction at a particular level in a fluid medium (Pascal's Law)

Explanation:

We are not crushed by the weight of the atmosphere because atmosphere is a fluid and we are immersed into it. So, according to the Pascal's law the the pressure a each point in a horizontal level is equal in all the direction irrespective of the orientation of a body.

Variation of pressure in term of the height of a fluid medium is given as:

$P=\rho.g.h$

$\rho=$ density of fluid

g = acceleration due to gravity

h = height of the free surface of the fluid from the immersed object.

And atmosphere has very less variation of pressure with change in height as it is a rare medium fluid and so for a human height there is very negligible variation of pressure at the heat of a human with respect to his toe.

5 0

3 years ago

8. A 2 kg flower pot weighing 20 N falls from a window ledge.

Alina [70]

The force of the air resistance is 4 N.

The given parameters;

mass of the flower pot, m = 2 kg

weight of the flower pot, W = 20 N

Let the air resistance = F

Apply Newton's second law of motion to determine the force of the air resistance acting upward to oppose the motion of the pot falling downwards.

$\Sigma F = ma\\\\W - F = ma\\\\a = \frac{W - F}{m} \\\\8 = \frac{20 - F}{2} \\\\20 - F = 16\\\\F = 20 - 16\\\\F = 4 \ N$

Thus, the force of the air resistance is 4 N.

Learn more here: brainly.com/question/19887955

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3 years ago