Estimate what is the frequency the horns emit

Reference no: EM13564889

Two automobiles are equipped with the same single-frequency horn. When one is at rest and the other is moving toward anobserver at 14.8m/s, a beat frequency of 5.7Hz is heard. What is the frequency the horns emit? Assume T = 20 deg celcius.

Reference no: EM13564889

Questions Cloud

Compute the dividend paid per quarter for each bond : A company issues corporate bonds that have a coupon rate of 4%, pays dividends quarterly, and has a term of 10 years. Compute the dividend paid per quarter for each bond.

Aerotron electronics is considering purchasing a water filtr : Aerotron Electronics is considering purchasing a water filtration system to assist in circuit board manufacturing. The system costs $40,000. It has an expected life of 7 years, at which time its salvage value will be $7,500. Operating and maintenance..

What is the effluent concentration coliforms : A new disinfection process destroys coliform organisms in water using completely mixed flow reactor. the reaction is first order with k=1.0 per day. The influent concentration is 100 coli/ml. The reactor volume is 400L, and the flow rate (Q) is 1,600..

Find what is the rise in temperature of the flowing water : a nuclear power plant has an electrical power output of 1000MW and operates with an efficiency of 33%. what is the rise in temperature of the flowing water

Estimate what is the frequency the horns emit : Two automobiles are equipped with the same single-frequency horn. What is the frequency the horns emit

Determine the probable production expressed in cubic yards : An undisturbed soil sample has a void ratio of 0.56, water content of 15%, and specific gravity of solids of 2.64. Find the wet and dry unit weights in lb/ft^3, porosity, and degree of saturation.

Estimate what is the maximum torque that can act on it : A copper wire is 5.00 m long andhas a cross-sectional area of 2.0010-4 m2. what is the maximum torquethat can act on it

How many worker deaths above the background cancer rate : You have taken a job at a metal plating plant, and some of the metals you work with contain arsenic as an impurity. The heated metals give off arsenic vapors, which create an average concentration of arsenic of 0.00002 mg/m3 in the air in the workpla..

What is the factor of safety for the footings against : Footings for a structure are to be built beneath a basement slab on a clay at a depth of 20 ft. below present ground level. Representative consolidation tests on the soil produce a 0.043 slope of recompression curve. The groundwater table is 15 ft. b..

User Account

All Pages