Shashwat_pr43

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## 6

Answers#### Describe an experiment to show that the pressure in a liquid increases with depth.

I was stuck in understanding this while I was preparing, please describe an experiment to show that the pressure in a liquid increases with depth.

25/02/2013
## 6

Answers#### The type of weather we get depends on the atmospheric pressure. Describe the kind of weather we get when the atmospheric pressure is high.

"Can some one explain it its own words please? The type of weather we get depends on the atmospheric pressure.
Describe the kind of weather we get when the atmospheric pressure is high."

25/02/2013
## 4

Answers#### "The earth is covered with a layer of air called the atmosphere. tell that what holds this layer of air close to the earth?"

"I cant figure it out.The earth is covered with a layer of air called the atmosphere.
What holds this layer of air close to the earth?"

25/02/2013
## 6

Answers#### Describe an experiment to show that the atmosphere exerts pressure.

I would be grateful if someone could describe an experiment to show that the atmosphere exerts pressure.

25/02/2013
## 6

Answers#### The head of a thumbtack has an area of 500 mm2. Its point has an area of 0.3 mm2. The pressure exerted at the head of the thumbtack is 12 Pa. What is the pressure exerted at the point of the thumbtack?

Does anyone know? The head of a thumbtack has an area of 500 mm2. Its point has an area of 0.3 mm2. The pressure exerted at the head of the thumbtack is 12 Pa. What is the pressure exerted at the point of the thumbtack?

25/02/2013
## 1

Answers#### "The African elephant is the largest land animal. An elephant weighs 40 000 N and is standing on all four feet each of area 0.2 m2. Calculate the pressure exerted on the ground by the elephant. Why would the pressure on the ground be greater if the elephant stood up on just two feet?"

"Is there anyone who could please tell me the ans for that? The African elephant is the largest land animal.
An elephant weighs 40 000 N and is standing on all four feet each of area 0.2 m2.
Calculate the pressure exerted on the ground by the elephant.
Why would the pressure on the ground be greater if the elephant stood up on just two feet?"

25/02/2013
## 6

Answers#### "A container contains 5.0 kg of water. If the area of the base of the container is 0.5 m2. Calculate the pressure at the base of the container due to the water. P = F/A = [ (5.0)(9.8)/(0.5)] ⇒ P = 98 Pa"

"Hey guys. Can you help me on this? A container contains 5.0 kg of water. If the area of the base of the container is 0.5 m2.
Calculate the pressure at the base of the container due to the water.
P = F/A = \[ (5.0)(9.8)/(0.5)\] ⇒ P = 98 Pa"

25/02/2013
## 6

Answers#### A solid block in the shape of a cube of length 120 cm rests on a table. The weight of the block is 25 N. Calculate the pressure it exerts on the table.

Hi Docsity Community! A solid block in the shape of a cube of length 120 cm rests on a table. The weight of the block is 25 N. Calculate the pressure it exerts on the table.

25/02/2013
## 6

Answers#### The wind exerts a horizontal force of 1000 N on a wall of area 20 m2. Calculate the pressure at the wall.

Hello to everybody, please explain. The wind exerts a horizontal force of 1000 N on a wall of area 20 m2. Calculate the pressure at the wall.

25/02/2013
## 6

Answers#### Name an instrument used to measure pressure.

I'm preparing for a discussion forum, kindly tell instrument used to measure pressure.

25/02/2013