# train

## 1012 Train at constant deceleration | Rectilinear Translation

- Read more about 1012 Train at constant deceleration | Rectilinear Translation
- Log in or register to post comments
- 30242 reads

## 1002 Location of warning torpedo | Rectilinear Translation

**Problem 1002**

On a certain stretch of track, trains run at 60 mph (96.56 kph). How far back of a stopped train should be a warning torpedo be placed to signal an oncoming train? Assume that the brakes are applied at once and retard the train at the uniform rate of 2 ft/sec^{2} (0.61 m/s^{2}).

- Read more about 1002 Location of warning torpedo | Rectilinear Translation
- Log in or register to post comments
- 46093 reads

## 31-32 Train in an elevated track and car in perpendicular road

**Problem 31**

An elevated train on a track 30 ft above the ground crosses a street at the rate of 20 ft/sec at the instant that a car, approaching at the rate of 30 ft/sec, is 40 ft up the street. Find how fast the train and the car separating 1 second later.

- Read more about 31-32 Train in an elevated track and car in perpendicular road
- Log in or register to post comments
- 8010 reads

## 30 - Two trains in perpendicular railroad tracks

**Problem 30**

Two railroad tracks intersect at right angles, at noon there is a train on each track approaching the crossing at 40 mi/hr, one being 100 mi, the other 200 mi distant. Find (a) when they will be nearest together, and (b) what will be their minimum distance apart.

- Read more about 30 - Two trains in perpendicular railroad tracks
- Log in or register to post comments
- 9470 reads

## 11-12 Two trains; one going to east, and the other is heading north

**Problem 11**

A train starting at noon, travels north at 40 miles per hour. Another train starting from the same point at 2 PM travels east at 50 miles per hour. Find, to the nearest mile per hour, how fast the two trains are separating at 3 PM.

- Read more about 11-12 Two trains; one going to east, and the other is heading north
- Log in or register to post comments
- 24492 reads