# PHYSICS

A LIVING ROOM HAS DIMENSIONS 3.5M X4.2M X4.2M .WHAT IS THE PRESSURE EXERTED BY THE AIR ON THE FLOOR IN THE ROOM

1. 👍 0
2. 👎 0
3. 👁 78
1. 14.7 lb/in^2 * (4.2*4.2) m^2 * (39.37in/m)^2 = 401,926 lb
assuming a square room...
assuming the air pressure inside is the same as outside ...

1. 👍 0
2. 👎 0
2. You have to assume air pressure is on both sides of the floor, generally, so the net force is zero. Thus, the net pressure is zero.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physics

An apartment has a living room whose dimensions are 2.5 m 4.8 m 5.9 m. Assume that the air in the room is composed of 79% nitrogen (N2) and 21% oxygen (O2). At a temperature of 27°C and a pressure of 1.01 105 Pa, what is the mass

asked by mike on April 26, 2008
2. ### Physics

An apartment has a living room whose dimensions are 2.5 m 4.8 m 5.9 m. Assume that the air in the room is composed of 79% nitrogen (N2) and 21% oxygen (O2). At a temperature of 27°C and a pressure of 1.01 105 Pa, what is the mass

asked by Tasha on April 28, 2008
3. ### Physics

An apartment has a living room whose dimensions are 2.5 m 4.8 m 5.9 m. Assume that the air in the room is composed of 79% nitrogen (N2) and 21% oxygen (O2). At a temperature of 27°C and a pressure of 1.01 105 Pa, what is the mass

asked by Pierre on April 19, 2008
4. ### Physics

An apartment has a living room whose dimensions are 2.5 m 4.8 m 5.9 m. Assume that the air in the room is composed of 79% nitrogen (N2) and 21% oxygen (O2). At a temperature of 27°C and a pressure of 1.01 105 Pa, what is the mass

asked by Johnson on April 20, 2008
5. ### Math

For a math homework assignment, Karla found the area and perimeter of a room of her house. She reported that the area of her rectangular living room is 180 square feet and that the perimeter is 54 feet. When drawing a sketch of

asked by Anonymous on May 14, 2015
6. ### physics

A room has the dimensions 3.0 m by 4.0 m by 4.0 m . The air in the room is 79% N2( MW= 28) and 21% O2 (MW = 32). At a temperature of 20 degrees Celsius and pressure of 115 kPa , what is the mass of the air in the room in

asked by ED on November 28, 2011
7. ### Earth's Dynamic Atmosphere

Air pressure doesn't crush everything underneath it because A. air pressure is hypothetical and not a real force. B. air pressure is strong enough. C. things on earth have learned to withstand the constant pressure. D. air

asked by Prisila on December 30, 2017
8. ### math

jim wants to place carpet in his living room.the dimensions of his living room are 15 3/4 feet by 18 1/8 feet.aprocimately how many square feet of carpet does he need to cover his living room????thanks for helping

asked by jenny on October 9, 2010
9. ### chemistry

In which direction, on ceiling, floor or walls, the pressure exerted by air in a room will be maximum. Justify your answer

asked by Anonymous on July 30, 2016
10. ### Math/ Science

If you squeezed all the air in a large living room into a small, lightweight box, you would have a hard time trying to lift it true or false Hints Volume of room is 125 meters 2.2 pounds per meter 8x10 box I think this is true

asked by Missy on April 25, 2007

More Similar Questions