A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. What is the magnitude of this acceleration, if the kinetic energy of the particle becomes equal to 8 x 10-4 J by the end of the second revolution after the beginning of the motion? 1. 0.15 m/s2 2. 0.18 m/s2 3. 0.2 m/s2 4. 0.1 m/s2

 

  Question:  From NCERT  | NEET PYQ   || [Difficult level:Easy]  |Motion In A Plane| 

A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. What is the magnitude of this acceleration, if the kinetic energy of the particle becomes equal to 8 x 10-4 J by the end of the second revolution after the beginning of the motion?

1. 0.15 m/s2
2. 0.18 m/s2
3. 0.2 m/s2

4. 0.1 m/s2_

: 4. 0.1 m/s2_.

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