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Class 9 CBSE Science (Physics) Guide | Chapter 8, Motion - NCERT Solutions




CBSE Board Class IX
Science (Physics)

Solutions of NCERT Exercise  Questions

Chapter 8, MOTION



Important Exercise
Questions Solved



Q.1: An athlete completes one round of circular track of
diameter 200 m in 40 sec. What will be the distance covered and the
displacement at the end of 2 minutes 20 sec? 


Ans:

Time taken =
2 min 20 sec = 140 sec.

Radius, r =
100 m.

In 40 sec
the

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