67. AIl of the CD have the same: A. Angular velocity B. Angular acceleration C.

Question

67. AIl of the CD have the same: A. Angular velocity B. Angular acceleration C. Angle travelled D. All of the above E. None of the above ocpoints of CD are moving on a circular path. Fo such a motion, all points on the surface 68. The units for the angular accelerations are (it is assumed that radian or angle degree have no dimensions) B. m/s C. 1/s D. 1/s2 E. None of the above 69. Two cylinders o from rest. f the same size (diameter and length) and mass roll down an incline, starting Cylinder A has most of its mass concentrated at the rim, while cylinder B has most of its mass concentrated at the center. Which has more total kinetic energy at the bottom? A. Cylinder A B. Cylinder B C. Both have the same

Explanation / Answer

67-

Option (D) is correct. Angular velocity , angular acceleration and angle travelled is same for all points.

68-

Option (D) is correct. (1/s^2).

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