# science- physcs

Two trains are passing against each other.?
Two trains are passing against each other.
train A is going north with velocity of 47 km/hour.
train B is going south with velocity of 94 km/hour.
a passenger in train A see the smoke that emitted from his train chimney making
an angle of 60 degrees from the west to the south.
a passenger in train B see the smoke that emitted from his train chimney making
an angle of 30 degrees from the south to the north.

a) What is the velocity of the wind – in respect to the ground?
the value of the velocity (of the wind) , and the direction (angle) of the velocity of
the wind (how many degrees from the west to the south)

b) what is the velocity of the smoke of train A , in respect to viewer in train A?
c) what is the velocity of the smoke of train B, in respect to viewer in train B ?

1. 👍 0
2. 👎 0
3. 👁 152

## Similar Questions

1. ### Math

Two trains travel in the same direction on parallel tracks. Train A starts out 50 kilometers ahead of Train B. Train A travels 90 kilometers per hour and Train B travel 100 kilometers per hour. In how many hours will the trains be

asked by angela on August 13, 2018
2. ### Physics

As two trains move along a track, their conductors suddenly notice that they are headed toward each other. The figure below gives their velocities v as functions of time t as the conductors slow the trains. The slowing processes

asked by Jimmy on September 1, 2014
3. ### Math

two trains are traveling toward each other adjacent tracks. one of the trains 230 feet long and is moving at a speed of 60 miles per hour. The other train is 220 feet long and is traveling at the rate of 70 miles per hour. Find

asked by Taylor on September 14, 2012
4. ### physics

A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a

asked by Jason on April 21, 2010
1. ### maths

the distance between two stations is 340 km two trains start simultaneously on parallel tracks to each other . the speed of one of them is greater than that of the other by 5 km/hr. if the distance between the two trains after 2

asked by krishna on July 15, 2013
2. ### Physics

Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 30 m apart. The train on the left accelerates rightward at 1.17 m/s^2. The train on the right accelerates leftward at 1.1 m/s^2.

asked by Anonymous on July 9, 2015
3. ### Algebra

Two trains leave Raleigh at the same time, one traveling north, the other south. The first train travels at 50 miles per hour and second at 60 miles per hour. In how many hours will the trains be 275 miles apart?

asked by Avery on June 1, 2010
4. ### physics

Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 50 m apart. The train on the left accelerates rightward at 1.05 m/s2. The train on the right accelerates leftward at 0.93 m/s2.

asked by Laura on August 17, 2011
1. ### Math

Two trains start heading toward each other from two cities, the distance between which is 720 km, and meet right in the middle. The second train left 1 hour after the first train, but traveled at a speed 4 km/hour faster than the

asked by Anonymous on April 9, 2018
2. ### psychology

Every night in Cordele,Georgia,24 trains crisscross the city's five mile radius.Each train blows its whistle to alert citizens that it is passing through.Because of the residentof Cordele can sleep through all these whistles. A

asked by vedrana on September 21, 2009
3. ### ENGLISH 3

In which sentence does the underlined infinitive phrase function as a subject? 1)The commuters were excited to ride on the new high-speed trains. 2)The goal of the new train station is to move more trains from the station to the

asked by AMAND on March 29, 2016
4. ### math

Two trains depart at the same time from the same station and travel in opposite directions. One train travels 25 mph faster than the other train. After 2 hours the trains are 162 miles apart. Find the speed of each train.

asked by John on December 5, 2011