Karl Haxell

Most popular questions and responses by Karl Haxell
  1. math

    The displacement s (in metres) of a body in a damped mechanical system, with no external forces satisfies the following differential equation: 6 3 2 2    dt ds dt d s where t represents time in seconds. If at time t = 0, s = 0 and  5 dt ds m/s,

    asked on May 17, 2011
  2. math

    A perfectly cylindrical container standing upright with a top and bottom (an oil drum or coke can for example) has an empty mass of M and a height of H. It is filled with a liquid of uniform density of variable mass m up to height h. When the container is

    asked on May 17, 2011
  3. Engineering Maths

    A perfectly cylindrical container standing upright with a top and bottom (an oil drum or coke can for example) has an empty mass of M and a height of H. It is filled with a liquid of uniform density of variable mass m up to height h. When the container is

    asked on May 17, 2011
  4. math

    Charge Q coulombs at time t seconds is given by the differential equation:   0 C Q dt dQ R where C is the capacitance in farads and R is the resistance in ohms. Solve the equation for Q given that Q=Q0 when t=0. A circuit possesses a resistance of

    asked on May 17, 2011
  5. Maths

    The distance from TDC (top dead centre) for the pin is given by x when the crank is at angle . Hence : i) Give an equation for x in terms of the other variables (r, L and ). ii) If the crank rod is rotating at a constant value of ω calculate the

    asked on May 17, 2011
  6. electrics

    describe the nature of, and summarise the reasons for a three phase supply network, with reference to th national grid distribution system

    asked on January 13, 2011
  7. math

    The distance from TDC (top dead centre) for the pin is given by x when the crank is at angle . Hence : i) Give an equation for x in terms of the other variables (r, L and ). ii) If the crank rod is rotating at a constant value of ω calculate the

    asked on May 17, 2011