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Advanced Physics
In the playground game of tetherball, a ball tied to a rope circles a pole, wrapping the rope around the pole is it goes. Opponents compete to wrap the ball around the pole in one direction or the other; the game ends when the rope is entirely wrapped around the pole and the ball touches the pole. If you get the ball going around in one direction, as the rope shortens and the ball goes in smaller and smaller circles, the ball goes around with a shorter and shorter period. Once the ball is going quickly and we don't hit it again, we can treat the ____ as being isolated. We can treat the ball as a point mass at the end of the rope and write equation for the angular momentum of the ball: ____. The angular momentum of the system is constant, so ____ must increase as _____ decreases, and increasing _____ means a shorter period. Fill in the blank: L=mr^2ω, L=wr/m, radius r, angular speed ω, ball, ball/string/rod

In the playground game of tetherball, a ball tied to a rope circles a pole, wrapping the rope around the pole is it goes. Opponents compete to wrap the ball around the pole in one direction or the other; the game ends when the rope is entirely wrapped around the pole and the ball touches the pole. If you get the ball going around in one direction, as the rope shortens and the ball goes in smaller and smaller circles, the ball goes around with a shorter and shorter period. Once the ball is going quickly and we don't hit it again, we can treat the ____ as being isolated. We can treat the ball as a point mass at the end of the rope and write equation for the angular momentum of the ball: ____. The angular momentum of the system is constant, so ____ must increase as _____ decreases, and increasing _____ means a shorter period. Fill in the blank: L=mr^2ω, L=wr/m, radius r, angular speed ω, ball, ball/string/rod

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In the playground game of tetherball, a ball tied to a rope circles a pole, wrapping the rope around the pole is it goes. Opponents compete to wrap the ball around the pole in one direction or the other; the game ends when the rope is entirely wrapped around the pole and the ball touches the pole. If you get the ball going around in one direction, as the rope shortens and the ball goes in smaller and smaller circles, the ball goes around with a shorter and shorter period.

  • Once the ball is going quickly and we don't hit it again, we can treat the ____ as being isolated.
  • We can treat the ball as a point mass at the end of the rope and write equation for the angular momentum of the ball: ____.
  • The angular momentum of the system is constant, so ____ must increase as _____ decreases, and increasing _____ means a shorter period.

Fill in the blank: L=mr^2ω, L=wr/m, radius r, angular speed ω, ball, ball/string/rod

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