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IKMC 2022 - Grades 9-10 - Self-study Question 17

IKMC · IKMC 2022 - Grades 9-10 - Self-study

Question 17

A rabbit and a hedgehog race around a 550 m circular track at constant speeds 10 m/s and 1 m/s. They start together in opposite directions. When they meet, the hedgehog immediately turns and follows the rabbit’s direction. How long after the rabbit does the hedgehog reach the finish?
  1. 45 sec
  2. 50 sec
  3. 55 sec
  4. 100 sec
  5. 505 sec