Recent content by JonWhitehouse

  1. J

    How Do You Calculate the Angular Frequency for High-Speed Camera Settings?

    just some thoughts: (a) circumference of circle =2*pi*radius in meters. 35mm = 0.035m (b) frequency of shutter =f= 1/number of times hole passes film = 20,000 hz, not the same as angular freq. (c) freq. f of drum = 20,000/number of pictures on circumference. this should give you some raw...
  2. J

    Undergrad Help Needed: Calculating Acceleration over 185 Meters

    Anyway, in the UK, max speed allowed anywhere is 70mph, so provided you were accelerating away from her at some point and she was at a constant 70mph, you would be speeding anyway.