Question

Karan is running on a circular path with a radius of 20 m he takes 10 seconds to cover half on the circular path what is the velocity with which Karan is running​

Answer 1

Answer & Explanation:

Perimeter of half of a circle = 1/2π$r^{2}$

Perimeter of half of a circle = 1/2 π x 20^2

Perimeter of half of a circle = 628.3 m

speed = distance / time taken

speed = 628.3 / 10

speed = 62.8 ms^-1