Physics
posted by Dan .
Train A starts at 4 miles South of a bridge and heads North at a constant speed of 30 miles per hour. Train B starts 6 miles North of the bridge.
a. What velocity must Train B have so that the two trains cross the bridge at the same time?
b. If Train B goes at 35 miles per hour, South, how far away from the bridge do they cross?
Respond to this Question
Similar Questions

math
There are 3 speedboats travelling down a straight river that runs North  South between two bridges which are 325 miles apart. The red speedboat starts at the North bridge and travels South at a spped of 150mph. The blue speedboat … 
math
substitute to find the value of the expression. A train must cover a distance of 2398 miles. The velocity, in miles per hour, of the train is where t is the time,in hours, to complete the trip. If the train completes the trip in 22 … 
algebra
train A and B are traveling in the same direction on parallel tracks. train A is going 80 miles per hour train B is going 84 miles per hour. train A past a station at 2:15 am train B passes at 2:45 am what time will train B catch train … 
Algebra 2
Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of the city. … 
Algebra 2
How do you set up this?I am lost Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. 
Algebra 2
How do you set up this?I am lost Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. 
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? 
math
One train left the station and traveled toward its destination at a speed of 65 miles per hour. Later, another train left the station traveling in the opposite direction of the first train, it was going at a speed of 75 miles per hour. … 
math 0310
Train A has a speed 20 miles per hour greater than that of train B. If train A travels 270 miles in the same times train B travels 230 miles, what are the speeds of the two trains? 
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 happen, …