A train running at the speed of 60 km/hr crosses a pole in 9 seconds. what is the length of the train?

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. The length of the train is 150 metres. Steps to find the length of the train: Given: 60 km/hr is the train's speed. 9 seconds are needed for a train to cross a pole. The length of a train is determined by its distance traveled. Equation used: Distance = speed × time • 1 km = 1000 metre • 1 hour = 3600 seconds Length of the train = 60 km/hr × 9 seconds = [(60 × 1000)/3600] × 9 = (600 × 9)/36 = 150 meters Hence, the length of the train is 150 metres. Other methods: Formula used: Distance = speed × time Length of the train = 60 km/hr x 9 seconds = 60 × (5/18) × 9 = (60 × 5 × 9)/18 = 150 meters Hence, the length of the train is 150 meters. More details: If we convert 'm/s' in 'km/hr, then multiply 'm/s' by (18/5) Example: 20 m/s = 20 × (18/5) = 20 m/s = 72 km/hr Summary: A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train? (a)120 metres (b)180 metres (c)324 metres (d)150 metres In 9 seconds, a train traveling at 60 km/hr crosses a pole. 150 metres is how long the train is.

This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer See Answer See Answer done loading Question:1. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train? A. 120 metres B. 180 metres C. 324 metres D. 150 metres

Given: Speed of the train = 60 km/h Time taken by the train to cross a pole = 9 seconds Formula used: Distance = Speed× Time Calculation: Distance traveled by the train while crossing the pole = Length of the train Let the length of the train be = y m y = 60 km/h× 1000 m/3600 seconds× 9 seconds y = 60× 5/18× 9 y = 150 m ∴ Length of the train = 150 m

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Answer: Option B Explanation: First person speed = 2*(5/18) = 5/9 m/sec Second person speed = 4*(5/18) = 10/9 m/sec Let the length of train is x metre and speed is y m/sec then, \begin So length of train is 50 metre Answer: Option B Explanation: As we need to calculate answer in seconds, so first convert speed into meter/sec. we know 1 km/hr = 1*(5/18) m/sec So, Speed = 132* (5/18) = 110/3 m/sec Distance need to be covered in passing the platform = Length of train + length of platform = 110 + 165 = 275 meters Time = Distance/Speed \begin Answer: Option C Explanation: Let length of tunnel is x meter Distance = 800+x meter Time = 1 minute = 60 seconds Speed = 78 km/hr = 78*5/18 m/s = 65/3 m/s Distance = Speed*Time \begin So the length of the tunnel is 500 meters. [If you want to calculate it practically, then please have your copy and pen and take a ride of Kalka to Shimla toy train in north India. It has many tunnels on the way :) ] Answer: Option B Explanation: Relative Speed = 60+40 = 100 kmph = 100*(5/18) = 250/9 m/sec Distance = 140+160 = 300 meters Time = Distance/Speed \begin So the time trains will take to cross each other will be 10.8 seconds