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Weightlessness - class-XI

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Multiple Choice

A 50.0 kg boy is sitting on an amusement park ride where he accelerates straight upward from rest to a speed 30.0 m/s in 3.0 s. What is his mass as he accelerates upward?

  1. 990.0 kg
  2. 100.0 kg
  3. 50.0 kg
  4. 5.00 kg
  5. 0 kg
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