A block of mass 0.5 kg is stationary relative to a car accelerating at 5 m/s² on smooth surfaces. Match the listed work/energy quantities for the first 2 s with their values.

Physics · Work , Power and Energy · kinetic enegy and work engery theorem

JEE Advanced

A block of mass 0.5 kg is stationary relative to a car accelerating at 5 m/s² on smooth surfaces. Match the listed work/energy quantities for the first 2 s with their values.

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List 1

  1. (A) Work done by normal on the block in first 2 s.

  2. (B) Work done by gravity on the block in first 2 s.

  3. (C) Net work in ground frame at t=2 s.

  4. (D) Work done in car frame in first 2 s.

  5. .

List 2

  1. (P) Zero

  2. (Q) 25 J

  3. (R) 10 J

  4. (S) 5 J

  5. (T) 15 J

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