Blubz5828 Blubz5828

11-07-2019
Physics

contestada

A commuter train blows its 200-Hz horn as it approaches a crossing. The speed of sound is 335 m/s. An observer waiting at the crossing receives a frequency of 207 Hz. What is the speed of the train?

Respuesta :

curiousmuktar curiousmuktar

12-07-2019

Answer:

346m/s

Explanation:

v1=335m/s

f1=200hz

f2=207hz

v2=?

v1/f1=v2/f2

335/200=v2/207

v2=335*207/200

v2=346m/s

Answer Link

Otras preguntas

If 15\%15% of the total number of truckloads of dirt that were ordered have been delivered to the construction site, how many total truckloads of dirt were orde

Luna weighs 8 pounds which is about 75 % of her adult weight. What will lunas adult weight be? Write an equation for this situation and solve it to find lunas a

Marcie bought a 50 foot roll of packing tape she used two 8 5/6 foot lengths how much tape is left on the roll

the ramirez drove 200 miles using 10 gallons of gas they drove 280 miles using 14 gallons of gas how many miles did they drive per gallon

what is the answer 4 1/3 + 4 3/4

Is a cash float a asset,owners equity or liability

The Patel family looks at map to plan their family vacation. They plan to travel from Smithville to Jonesville, which are 3 3/4 inches apart on the map. Then th

Madison is going to invest in an account paying an interest rate of 5.1% compounded quarterly. How much would Madison need to invest, to the nearest hundred dol

Joe borrowed 2,000 dollars from the bank at a rate of 7% simple interest per year.How much interest did he pay in 5 years

Match the following definitions with the correct term.