Approaching the speed of light

Hobart is approaching the speed of light and is holding a ruler and a clock in his hand. Which of the following statements are true? (Assume Hobart doesn't die while doing this) I: As Hobart gets closer to the speed of light, the ruler will shorten. II: If Hobart returns to where he took off, the clock he was holding will be a few minutes fast. III: As Hobart gets closer to the speed of light, Hobart will elongate.

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