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kirill115 [55]
3 years ago
11

Calculate the pressure of water at the bottom of 6m depth well.( g= 9.8m/s square​

Physics
1 answer:
Alexeev081 [22]3 years ago
8 0

Answer:

58.8NM-²

Explanation:

The pressure is the product of density,depth(height) and acceleration due to gravity

here the density of water is 1gm-³ it a constant so it not given

pressure= 6×9.8×1

pressure = 58.8NM-²

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Answer:

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Explanation:

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A farm tractor tows a 3300-kg trailer up a 14" incline with a steady speed of 2.8 m/s. what force does the tractor exert on the
gladu [14]

The force exerted by gravity is:

F = m g

F = 3300 kg * 9.8 m/s^2

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The force exerted due to the inclined plane is:

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So the gravitational field strength will be equal to the gravitational force acting on the object.

The formula for gravitational field strength is

g = \frac{F}{m}

Here g is the gravitational field strength, m is the mass of the object placed on the surface and F is the gravitational force acting on the object.

Since, the mass of any object placed on the surface of earth will be negligible compared to the mass of Earth, so the mass of the object is considered as 1 kg.

Then the g = F

And F =\frac{GMm}{r^{2} }

Here G is the gravitational constant, M is the mass of Earth and m is the mass of the object placed on the surface, while r is the radius of the Earth.

g = F = \frac{6 \times 10^{24} \times 6.67 \times 10^{-11}  \times 1}{(6.6 \times 10^{6}) ^{2} }

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3 years ago
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Answer:

Mandible.

Explanation:

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3 years ago
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It is because that is how mirrors work, they reflect light, and since we see objects because we are seeing the light these objects reflect, what is reflected back by the mirror is what we see.
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