Question

A man completes 20 revolutions of a circular park of radius 14 m in 3 minutes. It's displacement is:​

Answer 1

Answer:

I think 37is the answerxbns NFL

Answer 2

Radius : 14 m

Number of revolution = 20

Time 3 min = 3× 60 sec

Angular speed = 2×pi ÷ Time = 2×3.14 ÷ 3×60 = 1/50 m/s

Average Speed = Angular Speed × Radius × Number of Revolutions = 50÷50 = 1 m/s

The average speed of the car is 1 m/s.

Hope it is helpful