describing motion around us chapter 4 question answer (2026-27) – Discussion Forum

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Virat

Asked: August 14, 2026In: Class 9 Science

A student runs from the ground floor to the fourth floor of a school building to collect a book and then comes down to their classroom on the second floor. If the height of each floor is 3 m, find: (i) the total vertical distance travelled and (ii) their displacement from the starting point.

The student travels 4 × 3 = 12 m upward and then 2 × 3 = 6 m downward. Therefore, total distance = 18 m and displacement from the ground floor = 6 m upward.