Question

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

Answer 1

Answer:

50

Explanation:

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Answer 2

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