Recent content by goodwifey

  1. G

    what is the stress,strain of the vine?

    tom's vine initially 6m long has a Young's modulus 0.1 GN/m^2. if tom weight causes a stress of 2.5 x10^6N/m^2 then a.determine the vines change in length and b.the new length of vine
  2. G

    how long must the contact last in order to achieve the desired momentum change?

    a 46g golf ball sits on a tee awaiting its fate-a launch at 40m/s. if the golfer exerts a 50 N force when the club head strikes the ball, how long must the contact last in order to achieve the desired momentum change?
  3. G

    find the bicycle heels angular acceleration in rad/s^2?

    a bicycle wheel initally rotating at 3 rad/s the rotation rate increases to 7 rad/s within 6 seconds. find the bicycle heels angular acceleration in rad/s^2
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