Thursday

July 31, 2014

July 31, 2014

Number of results: 20,982

**Math **

the speed of train A is 16 mph slower than the speed of train B. Train A travels 210 miles in the same time it takes train B to travel 290 miles. Find the speed of each train. Train A = 58 mph Train B = 74 mph Can you tell me if this is right
*October 17, 2009 by Help *

**College Algebra 2**

The speed of train A is 16 mph slower than train B. Train A travels 190 mph in the same time it takes train B to travel 270 miles. Find the speed of each train.
*September 25, 2011 by Francine*

**algebra**

the speed of train A is 8 mph slower than the speed of train B. Train A travels 220 miles in the same time it takes train B to travel 260 miles. Find the speed of both trains. Speed of train A = Speed of train B =
*November 12, 2012 by pam*

**math**

IF the speed of train A is 10 mph slower than train B. Train A travels 220 miles in the same time it takes train B to travel 270. What is the speed of both trains.
*April 27, 2013 by nannypam*

**algebra**

The speed of train A is 6 mph slower than the speed of train B. Train A travels 230 miles in the same time it takes train B to travel 260 miles. Find the speed of each train?
*March 10, 2010 by kathy*

**Algebra**

The speed of train A is 6 mph slower than the speed of train B. Train A travels 200 miles in the same time it takes train B to travel 230 miles. Find the speed of each train?
*July 11, 2010 by Jacqueline*

**math**

the speed of a train a is 6 mph slower than the speed of train b. train a travels 220 miles in the same time it takes train b to travel 250 miles. find the speed of each train
*August 19, 2010 by summer*

**math**

the speed of train A is 14 mph slower than train B. Train A travels 190 miles in the same time it takes train B to travel 260 miles. What is the speed of each train?
*March 31, 2013 by pam*

**math**

Train A is 12 mph slower than train B. Train A travels 230 miles in the same time it takes train B to travel 290 miles. Find the speed of each train.
*May 20, 2010 by Marie*

**math**

Train A is 12 mph slower than train B. Train A travels 230 miles in the same time it takes train B to travel 290 miles. Find the speed of each train.
*May 20, 2010 by Help Me Pleeease*

**Math**

A train going 60 mph left several minutes before the 63mph train. Traveling on parallel tracks the faster train reaches the slower one in 3 hours. How many minutes head start did the slower train have?
*May 23, 2011 by Hannah Montana*

**Physics**

You're an investigator for the National Transportation Safety Board, examining a subway accident in which a train going at 88km/h km/h collided with a slower train traveling in the same direction at 25km/h km/h . Your job is to determine the relative speed of the collision, to...
*January 24, 2014 by Tabitha*

**Physics**

A train travels 84 km/h when it reaches a slower train 47 meters ahead traveling the same direction at 24 km/h. If the faster train decelerates at 2.1 m/s^2 while the slower train is at a constant speed, when will they collide? If the train that is faster begins to decelerate ...
*January 11, 2009 by Chloe*

**Physics**

A train travels 84 km/h when it reaches a slower train 47 meters ahead traveling the same direction at 24 km/h. If the faster train decelerates at 2.1 m/s^2 while the slower train is at a constant speed, when will they collide? If the train that is faster begins to decelerate ...
*January 11, 2009 by Chloe*

**Physics**

A train travels 84 km/h when it reaches a slower train 47 meters ahead traveling the same direction at 24 km/h. If the faster train decelerates at 2.1 m/s^2 while the slower train is at a constant speed, when will they collide? If the train that is faster begins to decelerate ...
*January 12, 2009 by Chloe*

**Hard Physics**

A bullet train is traveling at 23.3 m/s when it approaches a slower train 47 meters ahead traveling in the same direction at 6.67 m/s. If the faster train begins decelerating at 2.1m/s^2 while the slower train continues at constant speed, how soon will they collide? I got 3.68...
*January 14, 2009 by Harold*

**MATH Algebra**

The speed of a passenger train is 6 mph faster than the speed of a freight train. The passenger train travels 280 miles in the same time it takes the freight train to travel 250 miles. Find the speed of each train. What is the speed of passenger train? ____mph What is the ...
*August 7, 2009 by Anonymous*

**Physics**

A bullet train is traveling at 23.3 m/s when it approaches a slower train 47 meters ahead traveling in the same direction at 6.67 m/s. If the faster train begins decelerating at 2.1m/s^2 while the slower train continues at constant speed, how soon will they collide? I got 3.68...
*January 15, 2009 by Harold*

**physics**

Cora is a passenger in a car traveling east along a country highway that is parallel to a railroad track and clear of any traffic. Her friend Liz is driving. They come up behind the last car of a train on the track. Initially, the train is moving a little slower than they are...
*January 30, 2012 by Kathy*

**algebra1**

the speed of train A is 8mph slower than the speed of train B. Train A travels 220 in the same time it takes train B to travel 260 miles. Find the speed for each train.
*October 18, 2009 by mark*

**math**

).Find all numbers for which the rational expression is undefined. (4)/(v-2) 2).Find the lcm of (6+7u), (36-49^(u^2)),and(6-7u) ? 3). The speed of train a is 14 mph slower than the speed of train b. Train a travels 190 miles in the same time it takes train b to travel 260 ...
*May 29, 2010 by alia*

**algebra 1b**

the speed of a passenger train is 18mph faster than the speed of a freight train. The passenger train travels 310 miles in the same time it takes the freight train to travel 220 miles. Find the speed of each train passenger train mph and freight train mph
*March 21, 2012 by kay*

**algebra 2**

I don't know how to do this the speed of train A is 18mph slower than the speed of train B train A travels 190 miles in the same time it takes train B to travel 280 miles find the speed of each train please help so i can pass my quiz.
*March 29, 2012 by karon*

**math**

The speed of a train A is 8mph slower than the speed of train B. Train A travels 230 miles in same time it takes train B to travel 270 miles. Find the speed of each train.
*April 21, 2010 by Karen*

**Algebra**

Two trans leave Chicago going opposite directions, one going north and the other going south. The northbound train is traveling 12 mph slower than the southbound train. After 4 hours the trains are 528 miles apart. Find the speed of each train. I would appreciated so much if ...
*January 26, 2011 by Megan Brown*

**math**

the speed of train A is 14 miles slower than train B. train A travels 210 miles in the same time it takes train B to travel 280 miles. Whats the speed of each train?
*April 11, 2013 by pam*

**algebra**

tains A and train B are travling in the same dicrtion on a parral track train A is traving 60 mph and train B is traviling 70 mph train A passes a staion at 11.15 am and train B passes the same station at 11.45 am at what time will train B catch up to train A
*January 24, 2010 by me *

**Math**

The train leaves toledo at a speed of 40 mph for 3 1/2 hours until it arrives at it's destination in Indiana. At the same time the train left Toledo, you and Grandma Melba Jean headed out at a speed of 35 mph. How far from the train are you when it arrives it Podunk? If I take...
*October 10, 2007 by Tyler*

**Math**

The The speed of a passenger train is 12 mph faster then the speed of a freight train. The passenger train travels 270 miles in the same time it takes the freight train to travel 210 miles. Find the speed of each train.
*February 14, 2008 by Debbie*

**Algebra**

The speed of a passenger train is 20 mph faster than the speed of a freight train. The passenger train travels 250 miles in the same time it takes the freight train to travel 150 miles. find the speed of each train.
*June 3, 2011 by Francessca*

**algebra**

The speed of a passenger train is 16 mph faster than the speed of a freight train. The passenger train travles 300 miles in the same time it takes the freight train to travel 220 miles. find the speed of each train
*June 22, 2012 by todd*

**algebra**

two motorcyclists started at the same point and travel in opposite directions. one travels 6 mph faster than the other.In 4 hours they are 432miles apart. how fast is each traveling? speed of slower mph speed of faster mph
*May 21, 2012 by Anonymous*

**physics**

A red train traveling at 72 km/h and a green train traveling at 144 km/h are headed toward one another along a straight, level track. When they are 950m apart, each engineer sees the other’s train and applies the brakes. The brakes decelerate each train at the rate of 1 m/s^2...
*September 17, 2006 by ben*

**algebra**

A. The speed of train A is 6mph slower than the speed of train B. Train A travels 220 miles in the same time it takes for train B to travel 250 miles find the speed of each train solve and check: q+9/3 + 9-4/4 = 13/3 simplify by removing factors of 1 : 7y-14/7y add: x+6/x + x/...
*November 21, 2010 by Anonymous*

**Algebra**

Train A is traveling at 100 mph and train B is traveling at 104 mph. Train A passes a station at 12:15 p.m. If train B passes the same station at 12:45 p.m., at what time will train B catch up to train A? HELP please I am drawing a complete balank at figuring the how to solve ...
*May 6, 2011 by Math*

**algebra**

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A pases a station at 4:10 a.m. If train B passes the same station at 4:22 a.m., at what time will train B catch up to train A?
*December 19, 2010 by Nancy*

**Math**

The sum of the speeds of two trains is 720.5 mph. If the speed of the first train is 3.5 mph faster than the second train, find the speeds of each. Please help? Thanks!
*January 30, 2013 by cfaythe*

**please help! Examples in book are different!**

train A and b are traveling in the same direction on parallel tracks. Train A is traveling at 40 mph, and B is at 60 mph. Train A passes the station at 12:25 am, and train b passes the station at 12:40 am, what time will train b catch up to train A?
*March 28, 2010 by bob*

**math **

Trains A and B are traveling in the same direction on parrallel tracks. Train A is traveling at 60 mph, and train B is traveling at 80 mph. Train A passes a station at 11:15 a.m. if train B passes the same station at 11:30 a.m. at what time will train B catch up to train A? ...
*November 11, 2009 by Mandy*

**algebra**

Trains A and B are traveling in the same direction on parrallel tracks. Train A is traveling at 60 mph, and train B is traveling at 80 mph. Train A passes a station at 11:15 a.m. if train B passes the same station at 11:30 a.m. at what time will train B catch up to train A? ...
*November 11, 2009 by Mandy*

**Math**

I have figured the equation for this word problem Train A is traveling parallel to Train B. Train A is traveling at 100 mph and Train B at 110 mph Train A passes a station at 1:15pm Train B passes the same station at 1:45pm When will Train B catch up with Train A? I have 100*t...
*May 2, 2009 by Daniel*

**algebra **

Trains A and B are traveling in the same direction on parrallel tracks. Train A is traveling at 60 mph, and train B is traveling at 80 mph. Train A passes a station at 11:15 a.m. if train B passes the same station at 11:30 a.m. at what time will train B catch up to train A? ...
*November 11, 2009 by Mandy*

**word problem**

train A and b are traveling in the same direction on parallel tracks. Train A is traveling at 40 mph, and B is at 60 mph. Train A passes the station at 12:25 am, and train b passes the station at 12:40 am, what time will train b catch up to train A?
*March 28, 2010 by bob*

**Algebra**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph, train B is traveling at 70 mph. Train A passes the station at 10:15pm. If train B passes the same station at 10:45pm at what time will train B catch train A? __:__ (am/pm) ...
*February 16, 2010 by Tanya*

**math**

Two trains are traveling the same direction, train a is going 60 mph and train b is going 70 mph, after one hour how long will it take train a to reach the point train b was at the hour marker.
*September 2, 2012 by kyle*

**Algebra Help PLZ**

I have tried this several different ways and I am just not satisfied with the answer I keep coming up with. Trains A and B are traveling at the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 120 mph. Train A passes a station at 4...
*September 15, 2008 by Gayle*

**mathematics**

Train L and Train M leave a station at the same time heading in opposite directions. Train L is going north at an average speed of 70 miles per hour (mph). Train M is going south at an average speed of 85 mph. How long does it take each train, in hours, to travel 225 miles ...
*February 8, 2011 by derp*

**algebra**

heres a bad one i cant get trains A and B are travling in the same direction on a parrallel track train A is travling at 100 mph and train B is travling 104 mph train A passes a station at 5:10 p.m. if train B passes the same station at 5:40 p.m. at what time will train B ...
*November 1, 2009 by help*

**physics**

a train moving at constant velocity of 54 k mph moves east wards for 30 min, then due to north with the same speed for 40 min. What is the average velocity of the train during the run?(in k mph)
*May 25, 2012 by srikala*

**physics**

a train moving at constant velocity of 54 k mph moves east wards for 30 min, then due to north with the same speed for 40 min. What is the average velocity of the train during the run?(in k mph)
*May 25, 2012 by srikala*

**Algabra**

Train A travels at 100 mph in the same direction. Train B travels at120 mph on a parallel track. Train A passes a station at 8:25 pm, Train B passes the same station at 8:37 pm. What time will Train B catch Train A?
*August 15, 2010 by Kelly *

**algebra**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph and train B at 63 mph. Train A passes a station at 11:10 AM. If train B passes the same station at 11:40 AM, at what time will train B catch up to train A? When will train B ...
*December 9, 2010 by Michelle*

**math algebra**

Trains A and B are traveling the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling 110 mph. Train A passes a station at 6:10 A.M. If train B passes the same station at 6:40 A.M. at what time will train B catch up with Train A?
*November 6, 2009 by scooby*

**math/algebra**

Trains A and B are traveling in the same direction on parallel tracks. Train a is traveling at 100 mph and train B is traveling 120 mph. Train a passes a station at 7:20 P.M. If train B passes the same station at 7:35 P., at what time will train B catch up to train A?
*October 27, 2010 by solve this please.*

**algebra**

These are very easy to set up with a "chart" ---------Distance-----Rate---Time (D=RxT) slow way --6x----------x-------6 fast way - 5(x+7)-----x+7------5 so 6x = 5(x+7) 6x=5x+35+ x=35 The speed on the slower trip was 35 mph, and on the return trip 42 mph A consultant traveled 6...
*June 17, 2007 by Reiny*

**Physics**

2 trains with 132Hz horns approach one another. The slower train has a speed of 25m/s. what is the speed of the fast train if an observer standing near the tracks between the trains hears a beat frequency of 5.2 Hz?
*February 28, 2011 by Anne*

**Math**

Train A and Train B are traveling towards each other but are 2,100 miles apart. Train A is traveling at 50 mph and Train B is traveling at 35 mph. When will they collide?
*January 28, 2009 by Lor*

**algebra**

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and B is traveling at 120 mph. Train A passes a station at 9:10 pm. If train B passes the same station at 9:25pm what time will train B catch up with train A?
*November 26, 2009 by Rose*

**algebra**

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and B is traveling at 120 mph. Train A passes a station at 9:10 pm. If train B passes the same station at 9:25pm what time will train B catch up with train A?
*November 28, 2009 by Rose*

**math**

Trains A and B are traveling in the same direction on parallel tracks. Train a is traveling at 100 mph and train B is traveling 120 mph. Train a passes a station at 7:20 P.M. If train B passes the same station at 7:35 P., at what time will train B catch up to train A?
*October 27, 2010 by word problems*

**algebra**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A passes a station at 3:10 pm. If train B passes the same station at 3:40pm, at what time will train B catch train A? 4:30 pm I am ...
*January 7, 2009 by Samantha*

**Calculus**

A train is heading due west from St. Louis. At noon, a plane flying horizontally due north at a fixed altitude of 4 miles passes directly over the train. When the train has traveled another mile, it is going 80 mph, and the plane has traveled another 5 miles and is going 500 ...
*November 12, 2008 by George*

**Math**

If a train is going at a speed of 30 mph, and takes two minutes to go through a tunnel 9 times as long as the train, how long is the train?
*November 27, 2008 by Mary*

**Algebra**

Speed of passenger train is 6mph faster than the freight train. The passenger train travels 260 miles at the same time the freight train travels 230 mph. WHAT would be the speed of both the passenger and freight trains?????
*December 13, 2011 by Chelsea*

**algebra**

when will train b catch up with train b if train a is traveling 60 mph and passes station at 1:25pm While train b is traveling 80 mph and passes staion at 1:40pm?
*March 30, 2011 by kia*

**algebra**

Trains A & B are traveling in the same direction on a parallel tracks. Train A is traveling at 60 mph and train B is traveling at 80 mph. Train A passes a station at 5:15 PM. If train B passes the same station at 5:30 PM, at what time will train B catch up to train A? When ...
*January 28, 2010 by John*

**math**

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph and Train B is traveling 64 mph. Train A passes a station at 7:15 AM. If Train B passes the same station at 7:45 AM, at what time will Train B catch up to Train A?
*August 28, 2009 by j*

**ALGEBRA**

I need help with two problems to finish my assignment. #1 The length of a rectangle is fixed at 29cm. What widths will make the perimeter greater than 86 cm? If I could get the equation for this I would be able to figure it. I saw this one posted and no response yet. #2 Trains...
*May 3, 2009 by mona*

**Integrated Algebra **

A Japanese bullet train leaves the station tra traveling west at 164 mph. A pigeon which was resting on the train is startled and starts flying east at 40 mph. After two hours, how far apart are the pigeon and the train?
*April 3, 2012 by DestinyLashea*

**trig**

two trains leave Kansas City at the same time. Train A is traveling due north at 55 mph, train B is traveling west at the rate of 65 mph. Find the distance between the two trains two hours later and the bearing of train B from train A.
*October 16, 2012 by Anonymous*

**math**

how do i solve this: a Train leaves Poughkeepsie to grand central station in NYC at an average speed of 40 mph. a half hour later an express train leaves poughkeepsie station to NYC at a speed of 50 mph. both trains arrive at NYC the same time. based on this info calculate the...
*November 12, 2011 by israel*

**Help...More Math Help!!!...Please!**

A kayaker paddled 2 hours with a 6 mph current in a river. The return trip against the same current took 3 hours. Find the speed the kayaker would make in still water. The speed is 6 mph slower going upstream and 6 mph faster going downstream. Distance traveled = time x speed...
*November 16, 2006 by Jessica*

**math**

train A is approaching train B, train A is moving 5 mph and train B is moving 4 mph, when do they pass?
*January 17, 2012 by Anonymous*

**math**

2 trains leave the same train station at the same time, one train travels northeast at 50 mph, the other train travels due west at 40 mph, how far apart are the trains after two hours
*March 20, 2011 by Michael*

**algebra**

Can someoe please help me figure this out? During the first part of a trip, a canoeist travels 63 miles at a certain speed. The canoeist travels 6 miles on the second part of the trip at a speed of 5 mph. slower. The total time for the trip is 5 hours. 1. What was the speed (...
*July 10, 2008 by C*

**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.
*December 5, 2011 by John*

**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.
*December 5, 2011 by John*

**pre algebra**

train A leaves a station at 1:15 PM,traveling 60 mph.Train B leaves the same station, in the same direction as train A,15 minutes later.If train B travels 90mphm when (clock time)will train B catch up to train A and how far down the track does this occur?
*November 8, 2010 by mary*

**calculus**

26. A train is heading due west from St. Louis. At noon, a plane flying horizontally due north at a fixed altitude of 4 miles passes directly over the train. When the train has traveled another mile, it is going 80 mph, and the plane has traveled another 5 miles and is going ...
*March 16, 2009 by jason*

**college**

A train is heading due west from St. Louis. At noon, a plane flying horizontally due north at a fixed altitude of 4 miles passes directly over the train. When the train has traveled another mile, it is going 80 mph, and the plane has traveled another 5 miles and is going 500 ...
*December 6, 2010 by Joshua*

**physics**

A train is traveling along a straight, horizontal track at a constant speed of 20 mph (i.e.,a non-relativistic speed). An observer on the train places paint cans at the front and back of one of the cars. She then detonates the cans. Due to a malfunction, the can at the front ...
*April 6, 2014 by anonymous*

**Science**

when you ride in a train that passes a train moving in the opposite direction, the other train appears to rush past you at a greater speed than if you were watching from a parked car at a crossing. how does the speed of your train affect your impression of the passing train's ...
*November 2, 2011 by Andrew*

**physics**

In a panic stop, a 109 ton train can slow down with an acceleration of 0.08 g's. What is the time required to stop a train from a speed of 53 mph?
*November 20, 2010 by sandhu*

**algebra help**

Two motorcyclists start at the same point and travel in opposite directions. One travel 3 mph faster than the other. In two hours they are 206 miles apart. How fast is each traveling? The speed of the slower motorcyclist is ___ mph.
*October 21, 2010 by kate*

**Algebra**

A freight train leaves Chicago traveling West at 35 mph. An hour later a passenger train leaves Chicago traveling on a parallel track at 60 mph. How far from Chicago will the passenger train catch up to the freight train?
*April 28, 2013 by Sarah*

**physics**

A man is 3/8th of the way across a railroad bridge when he hears a train coming. He knows that this passenger train cruises along at 60 MPH in this area. It turns out that he can run to either end of the bridge and jump off just ahead of the train. Assuming he runs a a ...
*April 29, 2013 by Pam*

**Math**

2trains of the same length were running in opposite direction at 54km/hr and 72km/hr respectively.find the length of each train if the faste train passed a man in the slower train in 18seconds.
*September 8, 2012 by Simran kaur*

**algebra**

the speed of a passenger train is 20mph faster than the speed of a freight train. the passenger train travels 300 miles in the same time it takes the freight train to travel 200miles find the speed of each train.
*December 13, 2011 by karon*

**Algebra 1**

Two bullet trains leave the station at the same time traveling in opposite direction. The northbound train goes 125 mph and the southbound train goes 120 mph. After how long will they be 735 miles apart?
*December 5, 2013 by Ale*

**Algebra**

train X travels west at 50 mph and train Y travels east at 40 mph. train X leaves at 2 p.m. and train Y leaves at 1 p.m. train X is located 100 miles east of Durham and train Y is located 75 miles west of Durham. which train will get to Durham the earliest?
*March 7, 2011 by Roxy*

**ALGEBRA-MAT117**

Trains A & B are traveling if the same direction on parallel tracks. Train A is traveling at 100 miles an hour and Train B is traveling at 110 mph . Train A passes a station at 1:15 pm If Train B passes the same station at 1:45 pm what time will Train B catch up with Train A?
*April 30, 2009 by shauna*

**maths**

THE RAILROAD TRACK BETWEEN TOWN A AND TOWN B IS 500 MILES LONG THE BLUE TRAIN IS SCHEDULED TO LEAVE TOWN A FOR TOWN B AT 2 P.M THE RED TRAIN IS SCHEDULED TO LEAVE TOWN B FOR TOWN A AT 3 P.M BUT IS DELAYED 95 MINUTES DUE TO ENGINE PROBLEM . IF THE BLUE TRAIN TRAVELS 35 MPH AND ...
*March 22, 2013 by Anonymous*

**algebra**

Trains a and b are traveling in the same direction on parallel tracks. Train a is traveling at 40 mph and train b is traveling at 50mph. Train a passes a station at 12:15 a.m. If train b passes the same station at 12:27a.m. at what time will train b catch up to train a??
*April 14, 2010 by shana*

**physics help pleased**

Two trains on separate tracks move toward one another. Train 1 has a speed of 125 km/h and train 2 a speed of 100.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? (Assume the speed of sound is 345 m/s.)
*January 28, 2011 by julie*

**math**

Supppose two trains leave Holbrook, Arizona, at the same time, traveling in opposite directions. One train travels 10 mph faster than the other. In 3.5 hours, the trains are 322 miles apart. Find the speed of each train.
*December 4, 2012 by justin*

**algebra**

a passenger train's speed is 60mi/h, and a freight train's speed is 40mi/h .The passenger train travels the same distance in 1.5 h less time than the freight train. how long does each train take to make the trip?
*October 21, 2010 by Anonymous*

**Math check answer please**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 40mph, B is traveling at 44 mph. Train A passes a station at 820am, train B passes the same station at 850. At what time will train B catch up to train A. My estimate is 924am
*July 8, 2010 by Christy*

**physics**

A red train traveling at 72 km/h and a green train traveling at 144 km/h are headed toward each other along a straight, level track. When they are 720 m apart, each engineer sees the other's train and applies the brakes. The brakes slow each train at the rate of 1.0 m/s2. Is ...
*September 19, 2010 by Anonymous*

**algebra**

A passenger train's speed is 60 mi/h, and a freight train's speed is 40 mi/h. The passenger train travels the same distance in 1.5 h less time than the freight train. How long does each train take to make the trip?
*September 13, 2009 by Mary*

**Algebra**

13. A boat cruises downstream for 2 hours before heading back. It takes 3.5 hours going upstream to get back. If the speed of the stream is 8 mph, what is the speed of the boat in still water?: a. 14.7 mph b. 19.6 mph c. 24.8 mph d. 29.3 mph
*March 11, 2008 by Mike*

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