Frequency of sound as perceived-person standing on crossing

Assignment Help Physics
Reference no: EM13658516

a) A high speed train is traveling at a speed of 48 m/s when the engineer sounds the 411 Hz warning horn. The speed of sound is 340m/s. What is the frequency of the sound as perceived with a person standing on at the crossing when the train is approaching?

b) What is the wavelength of the sound because perceived by a person standing on at the crossing when the train is approaching?

c) What is the wavelength of the sound as perceived by a person standing on at the crossing when the train is leaving?

d) What is the frequency of the sound as perceived by a person standing on at the crossing when the train is leaving?

Reference no: EM13658516

Questions Cloud

What lens power is needed to correct his nearsightedness : An individual is nearsighted; his near point is 17.0 cm and his far point is 53.0 cm. What lens power is needed to correct his nearsightedness?
What is the expected angular magnification : A stamp collector uses a lens with 7.3 cm focal length as a easy magnifier. The virtual image is produced at the normal near point (25 cm). How far from the lens must the stamp be placed? What is the expected angular magnification?
What is final pressure of gas relative to initial pressure : A fire breaks out and increases the Kelvin temperature of a cylinder of compressed gas by a factor of 2.2. What is the final pressure of gas relative to its initial pressure?
What will be the position of the resulting image : An object, which has a height of 27.0 cm, is placed 18.0 cm from a concave mirror, which has a radius of curvature of 22.0 cm and a diameter of 3.70 cm: What will be the height of the resulting image? What will be the position of the, resulting image..
Frequency of sound as perceived-person standing on crossing : What is the wavelength of the sound because perceived by a person standing on at the crossing when the train is approaching? What is the wavelength of the sound as perceived by a person standing on at the crossing when the train is leaving?
Assume that a parallel-plate capacitor has circular plates : Assume that a parallel-plate capacitor has circular plates with radius R = 29 mm and a plate separation of 7.0 mm. Assume also that a sinusoidal potential difference with a maximum value of150 V and a frequency of 58 Hz is applied across the plates; ..
An interstellar space probe is launched from earth : An interstellar space probe is launched from earth. After a brief period of acceleration, it moves by a constant velocity, 70.0% of the speed of light. Its nuclear-powered batteries supply the energy to keep its data transmitter active incessantly. T..
Constructed of steel having a coefficient of expansion : A bridge 121.0 m long is constructed of steel having a coefficient of expansion of 11.1 × 10 -6 /K. If it is built as a single, continuous structure, by how many centimetres will its length change among the coldest days (-26.0°C) and the hottest summ..
Discover critical angle for liquid when surrounded by air : A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 40.0°and the angle of refraction is 31.0°, discover the critical angle for the liquid when surrounded by air.

Reviews

Write a Review

Physics Questions & Answers

  Compute the frequency and period of the motion

The position of a particle is given by the expression x = (3.00 m) cos(4.00?t + ?/4), where x is in meters and t is in seconds. Determine the frequency and period of the motion

  A pendulum has a length of 03 meter and the acceleration

a pendulum has a length of 0.3 meter and the acceleration of gravity is 9.8 ms squared. use the formula t 2p vlg to

  What must be the diameter of the aperture of the camera

Rumor has it that a photographic camera on a spy satellite can read the license plate of an automobile on the ground. what must be the diameter of the aperture of the camera

  Evaluate what is the velocity at the bottom

A cart of a mass 300 kg is pushed up a track at an angle of44 degrees from the bottom to a position that is 30m higher thanthe bottom in a time of 25 seconds. What is the velocity at the bottom

  How much will the leg compress for the thing of the same

how much will the leg compress for the thing of the same fantastic four fame if you assume that he is made of granite

  Computer monitor accelerates electrons

A computer monitor accelerates electrons and directs them to thescreen in order to create an image. If the acceleratingplates are 1.05 cm apart, and have a potential differenceof 2.00×104 V, find the change in electricpotential energy for any elect..

  What do the two scales read

A 1.0 m long rod has a density explained by λ =a + bx, where λ is the density in kilograms per meter of length, a = 2.0 kg/m, b =5.0 kg/m2, and x is the distance in meters from the left end of the rod. The rod rests horizontally with its end search s..

  What is the dielectric constant of the glass

A capacitor with air between its plates is charged to 140 V and then disconnected from the battery. Whena piece of glass is placed between the plates, the voltage acrossthe capacitor drops to 30 V. What is the dielectric constant of the glass?

  What is the frequency of the simple harmonic motion

Suppose a diving board with no one on it bounces up and down in a simple harmonic motion with a frequency of 5.00 Hz. What is the frequency of the simple harmonic motion

  Determine the radius of wire

How much force, in Newtons, is needed to accelerate a truck with a mass of 1500 kilograms from a full stop to 40 m/s in 10 seconds if the rate of acceleration is constant.

  How much heat does the food supply

A mountain climber gains 897 m in elevation on a particular hike. Consider the climber's body as a heat engine, how much heat does the food supply

  Evaluate whta is the tension in the rope

A child of mass 15 kg is sitting on a sled while hisbrother pulls it up a snowy hill at steady speed. Find the tension in the rope

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