03-07-2014
Physics

contestada

A sound wave of 70 cm travels 840 m in 2.5 sec. What is the velocity and frequency of sound?

Respuesta :

03-07-2014

-- Speed = (distance) / (time to cover the distance) = 840/2.5 = 336 m/s

-- Frequency = (speed) / (wavelength) = 336/0.70 = 480 Hz.

Answer Link

Otras preguntas

placing 12 tiles side by side, Pete can make a 12-by-1 rectangle. Name two other rectangles Pete can make with 12 tiles

1/7(x+21)=-6 answer ?

Rectangular classroom seats 72 students. If the seats were rearragned with 3 more seats rows in each row, the classroom would have 2 fewer rows. Find the origin

What is the molecular formula of a compound made of 25.9% N and 74.1% O? a. NO b. NO₂ c. N₂O d. N₂O₅ e. N₂O4₄ It would be great if you could add a few words

The most commonly spoken language in the Fertile Crescent around the time of Jesus was

What is square root of 126 + square root of 56 in standard form

what is this number in word form 3,152,308,726

Which two countries were the first to declare war on Germany in WWII?

Factor the expression -10x^2-41x-21

Rectangular classroom seats 72 students. If the seats were rearragned with 3 more seats rows in each row, the classroom would have 2 fewer rows. Find the origin