flatcar

  1. G

    A science student is riding on a flatcar of a train traveling along a straight

    horizontal track at a constant? speed of 17.0 m/s. The student throws a ball along a path that she judges to make an initial angle of 54.0° with the horizontal and to be in line with the track. The student's professor, who is standing on the ground nearby, obseves the ball to rise straight up...
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