Physics 5054 · O Level · Elastic deformation

Elastic deformation — practice question

A tennis ball is squeezed. Work is done, so energy is transferred to the air molecules inside the ball and also to the rubber that the ball is made from. Which row is correct?

  • Akinetic energy of air molecules inside the ball: decreases; temperature of ball: decreases
  • Bkinetic energy of air molecules inside the ball: decreases; temperature of ball: increases
  • Ckinetic energy of air molecules inside the ball: increases; temperature of ball: decreases
  • Dkinetic energy of air molecules inside the ball: increases; temperature of ball: increases

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