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

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

• Sunil
• 2954 查看
• 2 答案

• br /speed of train is = 60km/hr;br /since the pole is stationary therefore speed of train with respect to pole= 60km/hrbr /let length of train= x m;br /let speed of train=y km/hrbr /let the time taken be = z seconds;br /y=60km/hr;br /z=9 s;br /x=y*z;br /x=60 * 5/18* 9 ( converting speed into m/s)br /x=150 mbr /br / 

  • Sahil
  • 08 7月
  • 0 评论

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• speed = (60X5/18) m/secbr /           =(50/3) m/secbr /     Length of the train = (50/3)X9br /                                    = 150 m

  • Sunil
  • 08 7月
  • 0 评论

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