Recent content by mekias4

  1. M

    Helicopter Physics: Solving the Time of Release Problem

    A helicopter's window is 5 ft above its skids. The helicopter starts on the ground and lifts straight into the air at a constant speed of 2 mph. A passenger in the helicopter drops an object from the window and the object hits the ground at 25 mph. How long did the passenger wait after lift off...
  2. M

    Need help with rocket math problem

    I used the escape velocity because my teacher gave us a hint using that and told me to look that up. So am I right in plugging in the numbers into the function the way i did above? Yeah I am using grapher to graph the equation. I just want to make sure I plug the correct function into the graph.
  3. M

    Need help with rocket math problem

    the last equation shown is what I meant...sorry
  4. M

    Need help with rocket math problem

    Homework Statement A rocket is fired upward from Earth with initial velocity v measured in m/s. Then maximum height in m is reached by the rocket is given by the function h(v)=Rv^2/2gR-v^2 Radius is 6.4(10^6)m and acceleration due to gravity g is 9.8m/s^2 (R and g are constants and v is the...
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