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

    asked on November 11, 2017
  2. Physics

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

    asked on October 22, 2017
  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).

    asked on December 19, 2018
  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

    asked on May 4, 2019
  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

    asked on October 31, 2017
  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

    asked on November 11, 2017
  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.

    asked on December 19, 2018
  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

    asked on February 2, 2019
  9. Static Mechanics

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

    asked on January 12, 2019
  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

    asked on October 22, 2017
  11. Physics P

    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

    asked on October 23, 2017
  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 

    asked on December 6, 2017
  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

    asked on October 23, 2017
  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.

    asked on December 7, 2017
  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

    asked on December 6, 2017
  16. physics

    what is the otto cycle of petrol engine

    asked on October 29, 2017
  17. Chemistry

    What is saponification (soap making) ?

    asked on December 4, 2017
  18. Chemistry

    What is saponification (soap making) ?

    asked on November 17, 2017
  1. Math

    M

    posted on October 31, 2017
  2. Physics

    What about the answer? I didn't understand any thing

    posted on October 23, 2017