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MHT CET2009PhysicsMotion in Two Dimensions

A car is moving with speed 30 ~ms ⁻¹ on a circular path of radius 500 ~m . Its speed is increasing at a rate of 2 ~ms ⁻² , what is the acceleration of the car?

Options

  1. A2 ~ms ⁻²
  2. B2.7 ~ms ⁻²
  3. C1.82 ~ms ⁻²
  4. D9.82 ~ms ⁻²

Correct answer

B. 2.7 ~ms ⁻²

Step-by-step solution

Net acceleration in non-uniform circular motion, = (2)²+ [ 900 500 ]² =2.7 ~ms ⁻²

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