# Speed Problems with Length of Objects (Trains, Platforms, etc.) YouTube Lecture Handouts

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Watch Video Lecture on YouTube: 3 (& Half) Concepts for Solving Speed Train Problems with Length: Tunnel, Bridge, Platform & Pole

3 (& Half) Concepts for Solving Speed Train Problems with Length: Tunnel, Bridge, Platform & Pole

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## Trains Approaching Each Other

## A Train of Length 300 M Can Cross a Pole in 8 Seconds. How Long Will It Take to Cross a Platform of Length 600 M?

24 sec

## A Train 120 M Long Passes a Milestone in 12 Seconds and Another Train of the Same Length Traveling in Opposite Direction in 8 Seconds. The Speed of the Second Train Is?

20 m/s

## Piku Noted That a Train to Delhi Took 8 Minutes to Pass Her. A Train in the Opposite Direction to Bombay Took 12 Minutes to Pass Her. The Trains Took 9 Minutes to Pass Each Other. Assuming Each Train Maintained a Constant Speed, and Given That the Train to Bombay Was 150 M Long, What Was the Length of the Train to Delhi?

300 m

## A Train is Travelling at a Speed of 96 Km/Hr. It Takes 3s to Enter a Tunnel and 30s More to Pass through It Completely. What is the Length of the Train? What About the Tunnel?

80 and 800 m

## The Length of the Bridge, Which a Train 130 M Long and Travelling at 45 Km/Hr Can Cross in 30 Seconds, Is?

245 m

A 300 m long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length 350 m

of the platform?

## Two Trains Are Running at 40 Km/Hr. And 20 Km/Hr. Respectively in the Same Direction. Fast Train Completely Passes a Man Sitting in the Slower Train in 9 Seconds. What is the Length of the Fast Train?

50 m

## A Train Overtakes Two Persons Who Are Walking in the Same Direction in Which the Train is Going, at the Rate of 2 Kmph and 4 Kmph and Passes Them Completely in 9 and 10 Seconds Respectively. Find the Length of Train?

110/18 m/s, 50 m

## Two Trains Are Heading Towards Each Other. The First Train Has a Speed of 60 Km/Hr., the Second Has the Speed of 50 Km/H. The Length of the First Train is 0.35 Km, the Length of the Second Train is 0.42 Km. What is the Distance between the Point Where the Fronts of the Train Meet and the Point Where the Backs of Their Cars Meet?

0.07 km or 70 m

## Next: Average Speed

-Mayank