Recent content by yoyolala

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    Roller coaster, ball attached to coaster by a string calculate various tension

    Homework Statement http://img57.imageshack.us/my.php?image=fullscreencapture322009.jpg Part of the track of an amusement park roller coaster is shaped as shown below. A safety bar is oriented length-wise along the top of each car. In one roller coaster car, a small 0.10 kilogram ball is...