helicopter

  1. S

    paper helicopter model

    ok so i got did the helicopter test several times, where you cut rotor and drop froma height then repeat over and over again it says "develop a model" use your data to produce a model to predict the time it takes for the paper helicopter to drop to the floor (y) based on rotor length (x) I...
  2. M

    Find Height of Helicopter

    Two observers measure, at the same time, the angle of elevation of a helicopter. One angle is measured as 25 degrees, the other angle is measured as 40 degrees. If the observers are 100 feet apart from each other and the helicopter lies over the line joining them, how high is the helicopter?