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There is a train in a zoo for people to see the zoo, which runs on a circular track of a radius of 700 metres, having a stoppage at an ice cream shop. If the train stops 2 times at shop in 44 min, what is the speed of the train approximately? (Time for stoppage is negligible)

There is a train in a zoo for people to see the zoo, which runs on a circular track of a radius of 700 metres, having a stoppage at an ice cream shop. If the train stops 2 times at shop in 44 min, what is the speed of the train approximately? (Time for stoppage is negligible) Correct Answer 3.33 m/sec

Given,

Radius of circular track, r = 700metre

Number of revolutions = number of stoppage

= 2

Time taken = 44 minutes

Formula used, Circumference of circle = 2πr

Distance = Speed/Time

Calculation,

Time taken = 44 minutes

= 44 × 60 seconds

= 2640 seconds

Distance covered in 2 revolutions = 2 × (2πr)

⇒ Speed × Time = 4πr

⇒ Speed × 2640 = 4 × (22/7) ×700

⇒ Speed = 8800/2640

⇒ Speed = 3.33 m/sec (approximately)

∴ Speed = 3.33 m/sec

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