Question

A small toy car moves around a circular track once in every 8sec. The radius of the track is 3m. Find the speed of car.

Answer 1

Answer:

Explanation:

radius of track = 3m

therfore perimeter = 2πr = 2×3.14×3 = 18.84

speed = distance ÷ time

  18.84 ÷ 8 = 2.355 m/s