Physics

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?

  1. 0
  2. 0
  3. 14
asked by Dan

Respond to this Question

First Name

Your Response

Similar Questions

  1. 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

    asked by Anonymous on December 6, 2009
  2. 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

    asked by Mary on October 11, 2011
  3. 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

    asked by JOY on October 12, 2011
  4. 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

    asked by JOY on October 12, 2011
  5. Math Please Help

    Simon travels north and south from Main Station. The distance, in km, of the train from Main Station is modeled by the function d(t)=t^3-9t^2+6t, where North is positive and South is negative. Time elapsed after the start of a

    asked by Jen on July 7, 2016
  6. Physics

    James Bond is trying to jump from a bridge and land on the first car of a moving train that is going to pass under the bridge. The train moves at 85 km/h and the vertical height between the bridge and the top of the carriage is 15

    asked by Eduardo on March 11, 2013
  7. physics

    James Bond is trying to jump from a bridge and land on the first car of a moving train that is going to pass under the bridge. The train moves at 85 km/h and the vertical height between the bridge and the top of the carriage is 15

    asked by Eduardo on March 11, 2013
  8. Math Please Help

    Simon travels north and south from Main Station. The distance, in km, of the train from Main Station is modeled by the function 𝑑(𝑡) = 𝑡 3 − 9𝑡 2 + 6𝑡, where North is positive and South is negative. Time elapsed

    asked by Jen on July 7, 2016
  9. 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

    asked by Megan Brown on January 26, 2011
  10. Math Pythagorean

    A hiker goes 3 miles north, 2 miles east, one mile south, 4 miles east and then 2 miles north. After an injury, he sends his coordinates to a helicopter rescue team. If the helicopter starts at the same place as the hiker did, and

    asked by Hori on April 22, 2016

More Similar Questions