# Buma

Most popular questions and responses by Buma
1. ## Physics

An ideal gas is sealed within a container at a temperature of 17°C and a pressure of 101 kPa. The container is heated until the temperature of the gas reaches100°C. A valve in the container is then opened to allow gas to escape until the pressure falls

2. ## Physics

What is the average kinetic energy of nitrogen molecule at 20°C

3. ## Maths

Formulate a general method for finding the distance between two skew (i.e., non intersecting) line in space. (Hint: the shortest line segment joining the two skew lines will be perpendicular to both of them).

4. ## Physics

A car is traveling north along a straight road at 50 km/h. An instrument in the car indicates that the wind is coming from the east. If the car's speed is 80 km/h, the instrument indicates that the wind is coming from the northeast. Determine the speed and

5. ## Math

If a certain number is increased by 5, one - half of the result is three - fifths of the excess of 61 over the number. Find the number

6. ## Physics

An ideal gas is sealed within a container at a temperature of 17°C and a pressure of 101 kPa. The container is heated until the temperature of the gas reaches100°C. A valve in the container is then opened to allow gas to escape until the pressure falls

7. ## maths

Let V be the set of vectors (2x-3y, x+2y, -y, 4x) with x,y elements of 2 dimensional space. Addition and scalar multiplication are defined in the same way as on vectors. Prove that V is a vector space. Also, point out a basis of it.

8. ## management

If a company produces four products A, B, C and D then the production manager wants to decide which product should be produced in large amount or small amount to increase profit or to decrease cost which industrial concept should use the production manager

9. ## Static Mechanics

How to cut the middle member in a k truss (>|

10. ## Physics

There is gas in a gas container. A valve on the container will be opened and a quarter of the gas quantity will be released to the outer range. Due to this process the temperature of the gas will be decreased by 20%. What is the decrease of the gas

11. ## Physics P

8.31 Wh (watthours) heat is transmitted to 1 mole single atomic ideal gas. The gas temperature is 27Â°C and the pressure is constant during the process (slow process). What is the temperature? What is the change of the internal energy of the gas? What is

12. ## Math

Before 5 years a man was 3 years times his boy but after 10 years the father's age will be 6 more than 2 times his boy

13. ## Physics

8.31 Wh (watthours) heat is transmitted to 1 mole single atomic ideal gas. The gas temperature is 27°C and the pressure is constant during the process (slow process). What is the temperature? What is the change of the internal energy of the gas? What is

14. ## Maths

Before 5 years a man was 3 years times his boy but after 10 years the father's age will be 6 more than 2 times his boy. Find the age of the father. And the age of the son.

15. ## Math

Before 5 years a man was 3 years timeshis boy but after 10 years the father's ge will be 6 more than 2 times his boy Didn't get the question

16. ## physics

what is the otto cycle of petrol engine

17. ## Chemistry

What is saponification (soap making) ?

18. ## Chemistry

What is saponification (soap making) ?