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MDCAT - Practice Test - Physics - Rotational and Circular Motion Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Physics - Rotational and Circular Motion | Quiz 6

51. An object rotates through 6π radians. How many revolutions is that?



52. Convert π/3 rad to degrees.



53. A wheel frequency increases from 5 Hz to 10 Hz in 5 seconds. Find angular acceleration.



54. A wheel starts from rest and reaches 30 rad/s in 10 s with constant α. How many revolutions does it make?



55. A wheel has angular speed 4 rad/s. Find its frequency.



56. A point on a wheel of radius 5 m has angular speed 4 rad/s and linear speed 20 m/s. Calculate centripetal acceleration.



57. A point on a wheel of radius 0.2 m has linear speed 2 m/s and angular acceleration 3 rad/s². Find total acceleration magnitude.



58. A wheel rotating at 50 rad/s is stopped after 100 rad. How long does it take?



59. A wheel radius 0.3 m starts with ω_i=10 rad/s, α=4 rad/s². Find linear speed of a point on rim at t=2 s.



60. A wheel starts from rest with α=2 rad/s² for 5 s. How many revolutions does it make?



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