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Work Power and Energy · 2021 · 1 Sep · Shift 2

2 Physics questions from this JEE Main paper
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Work Power and Energy · 2021 · 1 Sep · Shift 2

2 Physics questions from this JEE Main paper

  1. Q50.A body of mass 'm' dropped from a height 'h' reaches the ground with a speed of 0.8 gh​. The value of workdone by the air-friction is :
    Physics · Work Power and Energy · MCQ
  2. Q74.An engine is attached to a wagon through a shock absorber of length 1.5 m. The system with a total mass of 40,000 kg is moving with a speed of 72 kmh − 1 when the brakes are applied to bring it to rest. In the process of the system being…
    Physics · Work Power and Energy · Numerical