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an express train makes a run of 240 km at a certain speed. another train whose speed is 12km/hr less takes an hour longer to cover the same distance. find the speed of the express train in km/hr.
asked by yaekob on January 14, 2016 
physics
A train is moving with a speed of 50 miles per hour. A man standing in the rear of a train car throws a ball toward the front of the train with a speed of 10 miles per hour. If a stationary observer outside the train sees this
asked by cadey on March 9, 2016 
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 
physics
A train is moving with a speed of 50 miles per hour. A man standing in the rear of a train car throws a ball toward the front of the train with a speed of 10 miles per hour. If a stationary observer outside the train sees this
asked by ashley  HELP PLEASEE!!! on May 1, 2011 
physics
A 200m long train crosses a 400m long bridge with a speed of 36km/hr . Calculate the time taken by train to cross the bridge? plz give me the answer with explaination
asked by Maihul on July 6, 2012

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 
math
Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 75 miles per hour. The eastbound train travels at 55 miles per hour. How long will it take for the two trains to be
asked by help on August 29, 2015 
math
The rails on a railroad are 30 feet long. As the train passes over the point where the rails are joined, there is an audible click. The speed of the train in miles per hour is approximately the number of clicks heard in: A. 20
asked by Gaurav on April 7, 2016 
math please help
The speed of a passenger train is 8 mph 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 270 miles. Find the speed of each train. What is the
asked by madison on October 24, 2016 
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.
asked by nannypam on April 27, 2013 
Math
A train leaves the station at time xequals 0. Traveling at a constant speed, the train travels 328 km in 3.4 h. Round to the nearest 10 km and the nearest whole hour. Then represent the distance, y, the train travels in x
asked by help pls on February 17, 2020
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