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Mass = 250g; time for half a revolution 6.7s; radius = 1.4m

Mass = 250g; time for half a revolution 6.7s; radius = 1.4m. Calculate the period. Calculate the frequency. Which way is the mass rotating?. Mass = 250g; time for half a revolution 6.7s; radius = 1.4m. Calculate the frequency. 6.7s to turn half revolution 13.4s to turn one revolution

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Mass = 250g; time for half a revolution 6.7s; radius = 1.4m

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  1. Mass = 250g; time for half a revolution 6.7s; radius = 1.4m Calculate the period. Calculate the frequency. Which way is the mass rotating?

  2. Mass = 250g; time for half a revolution 6.7s; radius = 1.4m Calculate the frequency. 6.7s to turn half revolution 13.4s to turn one revolution Frequency f = 13.4s-1 or Frequency f = 13.4Hz

  3. T = Mass = 250g; time for half a revolution 6.7s; radius = 1.4m 2. Calculate the period. A period is a regular time and is given the symbol T T = = T = 0.0746 T = 0.08s (2 sig. fig.)

  4. 3. Which way is the mass rotating? Answer anti-clockwise In rotation the direction the object is moving is continuously changing. The clock face then becomes a convenient way to describe the direction of rotation. The rotation is either going the same way as the movement of the hands on the clock (clockwise) or going the opposite way to the movement of the hands on the clock (anit-clockwise)

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