Question

A grind stone starts from rest and has a constant angular acceleration of 4.0 rad/sec². The angular displacement and angular velocity, after 4 sec. will respectively be

Options :

  1. 32 rad, 16 rad/sec

  2. 16 rad, 32 rad/sec

  3. 64 rad, 32 rad/sec

  4. 32 rad, 64 rad/sec

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Answer :

32 rad, 16 rad/sec

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