shivanshleo shivanshleo

01-11-2020
Physics

contestada

Its urgent..

(a) A sound wave has frequency of 3 kHz and a wavelength 45 cm. How long will it take to travel
1.8 km?

Respuesta :

Ariana1717 Ariana1717

01-11-2020

Answer:

It is given that

Frequency =3kHz=3000Hz

Wavelength =45cm=45/100 m

we know that

Velocity =Frequency into wavelength

V=3000(45/100)

V=1350m/sec

Now time =distance /speed

Time = 1800m/1350m/sec

Time= 1.333sec

Explanation:

Answer Link

Otras preguntas

Eliana is at a party and begins to feel uncomfortable that she is not safe there. Several of the guys have been trying to get her to go upstairs with them alone

Find an equation of the line having the given slope and containing the given point m= - 8, (2,5) The equation of the line is y= (Simplify your answer. Type your

Question 6 of 10 How is the phrase "all men are created equal" interpreted differently by modern U.S. society? A. Originally it referred only to white men, but

Let A represent the average value of the function f(x) on the interval [0,6]. Is there a value of c for which the average value of f(x) on the interval [0,c] is

I need answering ASAP please and thank you

It’s not C what is the answer

The height of a triangle is 5cm more than half the base of the triangle. The area of the triangle is 6cm^2. Find the base and height of the triangle

What excerpt from Part 2 of The Odyssey best establishes Odysseus’s weakness?

Good themes for the ‘book thief’ by Markus zusak.

A patient complains of feeling dizzy and faint when the patient care technician enters the room. While inquiring about the patient’s symptoms, the patient sudde