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11.2 Exercise 1

Avg difficulty 2.5

An under-inflated volleyball is pumped full of air so that its radius increases by 10%. Ignoring the mass of the air inserted into the ball, what will happen to the volleyball's density?

  1. The density of the volleyball will increase by approximately 25%.
  2. The density of the volleyball will increase by approximately 10%.
  3. The density of the volleyball will decrease by approximately 10%.
  4. The density of the volleyball will decrease by approximately 17%.
  5. The density of the volleyball will decrease by approximately 25%.

OpenStax College Physics 2e, 11.2 Density, exercise 1

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.