Question:

7.A particle moves along a circle of radius (20)/(pi) m with constant tangential acceleration. If the velocity of the particle is 80m/s at the end of the second revolution after motion has begun, the tangential acceleration is :

Options :

  • a) 40 ms^-1
  • b) 640 πms^-1
  • c) 1609 πms^-1
  • d) 40 πms^-1

Answer :

a) 40 ms^-1

Answer Steps :

Step1 :-

Step2 :-

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