PhysicsThe displacement of a particle executing is given by . If is the time period and the mass of the particle is , the kinetic energy of the particle when is given by:


The displacement of a particle executing is given by . If is the time period and the mass of the particle is , the kinetic energy of the particle when is given by:


  1. A
    0.4 J
  2. B
  3. C
    3 J
  4. D
     

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    Solution:

    Concept- Here we will proceed by using the formula of Velocity of particle i.e. . Then we will use the formula of using the given displacement, mass and time to get the required answer.
    Formula used-
    1. 2. The displacement of particle, executing is
    Velocity of particle
    Velocity at Now, putting value of T in eQ. (II), WE GET
    The kinetic energy of particle,
    Hence, option 4 is correct.
     
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