Question

A motorist completes one revolution in a circular track of radius 100m in 2 minutes His average speed is​

Answer 1

GiveN :

• Radius = 100 m
• Time interval = 2 mins = 120 s

To FinD :

• Average speed of Motorist

SolutioN :

⇒ Distance = 2πr

⇒ Distance = 2 * 22/7 * 100

⇒ Distance = (44 * 100)/7

⇒ Distance = 4400/7

⇒ Distance = 628.57 m

________________________

⇒ Speed = Distance/Time

⇒ Speed = 628.57/120

⇒ Speed = 5.23 m/s