1) A discus thrower starts his spin while standing facing the back of the circle. He releases the discus 2 s later after spinning 540° to his left. Assume that he accelerates at a constant rate. a) What was his angular acceleration during the throw? b) How fast was he spinning after the first half-revolution (180°)? c) How fast was he spinning at the time of release of the discus?

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Chapter8: Rotational Equilibrium And Rotational Dynamics
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1) A discus thrower starts his spin while standing facing the back of the circle. He releases the discus 2 s later after spinning 540° to his left. Assume that he accelerates at a constant rate.

  1. a) What was his angular acceleration during the throw?
  2. b) How fast was he spinning after the first half-revolution (180°)?
  3. c) How fast was he spinning at the time of release of the discus?
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