Recent content by Conor11

  1. C

    Help with 2 questions quickly for exams please

    Homework Statement . A saucepan containing water is left boiling on a cooker in a kitchen for some time. As the water evaporates from the saucepan and then condenses , the temperature of the air in the kitchen is raised. Given that the volume of air in the kitchen is 15.6m^3 and that water...
  2. C

    Mechanics problems involving velocity,acceleration and gravity

    Sorry how do you make a new post on PF?
  3. C

    Mechanics problems involving velocity,acceleration and gravity

    Help with frequency and wave question please.? Vibrations from a 400hz tuning fork set up a stationaery waves on a string whihc is fixed at both ends. The speed of the waves on the string is 500m/s. The stationery wave has only 5 antinodes along it. What is the length of the string?
  4. C

    Mechanics problems involving velocity,acceleration and gravity

    *t^2
  5. C

    Mechanics problems involving velocity,acceleration and gravity

    ok fair enough well: do you sub in 100,9.8,and 0 in s=ut +1/2at^2 and then you get 100= 4.9t^" Then, the same with the other stone or what equation do you use?
  6. C

    Mechanics problems involving velocity,acceleration and gravity

    Oh i see , you get two equations, let them equal and then choose the one that makes sense. And then sub it back into the original to get the distance. Cheers Tim and Lawrence. Can you help me with the others?
  7. C

    Mechanics problems involving velocity,acceleration and gravity

    they have traveled the same length from O?
  8. C

    Mechanics problems involving velocity,acceleration and gravity

    Homework Statement Hello, i have an exam in two days and spent all day trying to solve mechanic questions. there's 4 in total, I'm having extreme trouble do not have the sufficient time to spend as i have other topics to cover. Would you please be able to help me out. Thanks the questions are...