Two trains on separate tracks move toward one another

Assignment Help Physics
Reference no: EM13666027

Two trains on separate tracks move toward one another. Train 1 has a speed of 100 km/h, train 2 a speed of 60.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? (Suppose the speed of sound is 345 m/s.)

Reference no: EM13666027

Questions Cloud

Earth is uniform sphere and that path around sun is circular : Suppose that the earth is a uniform sphere and that its path around the sun is circular. Compute the kinetic energy that the earth has because of its rotation about its own axis. For comparison, the total energy utilized in the United States in one y..
Guitar string under a tension : A 66.00-cm guitar string under a tension of 70.00 N has a mass per unit length of 0.10000 g/cm. What is the highest resonant frequency that can be heard with a person capable of hearing frequencies up to 19000 Hz?
What is the frequency of second harmonic in the longer wire : Two pieces of steel wire with identical cross sections have lengths of L and 3L. The wires are each fixed at both ends and stretched so that the tension in the longer wire is five times greater than that in the shorter wire. If the fundamental freque..
What were their respective maximum speeds : Setting a world record in a 100 m race, Maggie and Judy cross the finish line in a dead heat, both taking 9.0 s. Accelerating uniformly, Maggie took 2.00 s and Judy 2.40 s to attain maximum speed, which they maintained for the rest of the race.
Two trains on separate tracks move toward one another : Two trains on separate tracks move toward one another. Train 1 has a speed of 100 km/h, train 2 a speed of 60.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? (Suppose the speed o..
Overall change in frequency is detected-person on platform : A commuter train passes a passenger platform at a constant speed of 44.0 m/s. The train horn is sounded at its characteristic frequency of 320 Hz. What overall change in frequency is detected with a person on the platform as the train moves from appr..
Shockwave and the direction of the planes velocity : The now-discontinued Concorde flew at Mach 1.3, which meant the speed of the plane was 1.3 times the speed of sound in air. What is the angle among the direction of propagation of the shockwave and the direction of the plane's velocity?
The tracks as a train rolls slowly past : An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistles is444 Hz when the train is approaching him and 440 Hz when the train is receding from him. Using these frequencies, he c..
Amplitude of resultant wave in terms of common amplitude : The equation im using for this isn't working. Please describe Two identical traveling waves, moving in the same direction, are out of phase by π/6 rad. What is the amplitude of the resultant wave in terms of the common amplitude ym of the two combini..

Reviews

Write a Review

Physics Questions & Answers

  Obtain the speed of the raft

A woman on a bridge 97.0 m highsees a raft floating at a constant speed on the river below. Shedrops a stone from rest in an attempt to hit the raft. Find the speed of the raft

  What point on the x axis is the electrical potential zero

A point charge of +3.0 μC is located at the origin of a coordinate system, and a second point charge of -6.0μC is atx= 1.0m. At what point on the x axis is the electrical potential zero?

  Draw a motion diagram for the train

Draw a motion diagram for the train. Assume that the train is moving toward the right and starts to slow down at t = 0. The separation of each dot represents an elapsed time of one second.

  A 10-cm-tall object is 60 cm in front of a diverging lens

a 1.0-cm-tall object is 60 cm in front of a diverging lens that has a -30 cm focal length. calculate the image position

  Determine what is the balloons new radius

Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 18cm. what's the balloon's new radius

  Find the torque on the square

A square wire carrying a current of 5 A has sides of 10 cm and is placed in the yz plane. The torque on the square is

  Illustrate what is the acceleration of the object

The coefficients of static and kinetic friction between a 67 kg box and a horizontal surface are 0.56 and 0.32, respectively. Illustrate what is the acceleration of the object if a 335 N horizontal force is applied to the box?

  Determine the speed of the traveling wave

A string has a linear density of 6.80 10-3 kg/m and is under a tension of 345 N. Determine the speed of the traveling wave

  After flying for 15 min in a wind blowing 42 kmh at an

after flying for 15 min in a wind blowing 42 kmh at an angle of 20o south of east an airplane pilot is over a town that

  What is the the electricrostatic potential due to these

consider a collection of three point charges. two equal charges q1 q2 3.0 nc are on the x-axis at the points x 4.0 cm

  Explain how massive a person would make the ladder slip

A uniform 7.6 ladder is leaning against a frictionless vertical wall, with which it makes a 15 angle. how massive a person would make the ladder slip

  How many electrons should be removed from an initially

how many electrons should be removed from an initially uncharged spherical conductor of radius 0.200 m to produce a

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd