**Question :** An athlete completes one round of a circular track of radius 𝑅 in 40 𝑠𝑒𝑐. What will be his displacement at the end of 2 min. 20 𝑠𝑒c

(A) 0

(B) 2R

(C) 2\pi R

(D) 7\pi R

**Answer :** option (B)

**Solution :**

with
no comment

**Question :** An athlete completes one round of a circular track of radius 𝑅 in 40 𝑠𝑒𝑐. What will be his displacement at the end of 2 min. 20 𝑠𝑒c

(A) 0

(B) 2R

(C) 2\pi R

(D) 7\pi R

**Answer :** option (B)

**Solution :**