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NEET2024PhysicsOscillationsActual

The two-dimensional motion of a particle, described by r =( i +2 j ) A t is a/an: A. parabolic path B. elliptical path C. periodic motion D. simple harmonic motion Choose the correct answer from the options given below:

Options

  1. AB, C and D only
  2. BA, B and C only
  3. CA, C and D only
  4. DC and D only

Correct answer

D. C and D only

Step-by-step solution

r =( i +2 j ) A tx=A ty=2 A ty=2 x The path is straight line. The motion is SHM and periodic as d r d t =-( i +2 j ) A t d^2 r d t^2 =-( i +2 j ) ^2 A t a =- ^2 r

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