A particle is in uniform circular motion, then its velocity is perpendicular to
All of these
Centripetal acceleration
Angular velocity
Net force
The second's hand of a watch has length $6\,\, cm$. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be
The average acceleration vector for a particle having a uniform circular motion is
A particle is moving in a circular path of radius $r$ under the action of a force $F$. If at an instant velocity of particle is $v$, and speed of particle is increasing, then
A cylindrical vessel partially filled with water is rotated about its vertical central axis. It’s surface will
A body is whirled in a horizontal circle of radius $20 \,cm$. It has angular velocity of $10\, rad/s$. What is its linear velocity at any point on circular path ....... $m/s$