Question

a person starts from point P moves along a circular path of radius 10m if he complete 1 round in 40 seconds calculate the distance and displacement after 2 min​

Answer 1

Answer:

Distance Travel =t=2min20sec=120+20=140sec  

after each complete rotation, displacement becomes zero.

Number of rotation =14040=3+12

∴ displacement in 12 rotation = 2r

( displacement for 3 rotation =0)

Distance in 3+12 rotation = 3×2πr+πr=7πr

HOPE IT IS HELPFUL