cassifiapdahsiej cassifiapdahsiej

25-04-2022
Physics

contestada

a person standing 100m away from a wall fires a gun and hears and echo. Calculate time after which an echo is heard.
a. 1.02 sec
b. 0.42 sec
c. 2.05 sec
d. 0.61 sec

Respuesta :

25-04-2022

Answer:

Time for sound to travel to wall and back

T = S / V = 200 m / (331 m/s) = .60 sec

d) is correct

Answer Link

Otras preguntas

how was atticuss parenting skills effective

Use the scale factor to find the area of the enlarged figure. Explain your steps.

Find the value of 16 and 3/4

What was the author’s view of the events in "The Necklace"?

Identify if equations are functions or not functions (see photo) sort them out please

A 10-kg box is suspended 5m above the floor. What is its gravitational potential energy?

Polydectes is able to trick Perseus into battling Medusa because of perseus’s

PLEASE HELP DUE TMRW 20 POINTS What are the values of x and y? *Top says x+8, side says 2x-8, bottom says 4x-24*

for the given domainInclude all of your work in your final answeryour F(x) = x ^ 2 + 2; F(x ^ 2) =

Nico makes annual end-of-year payments of $5,043.71 on a four-year loan with an interest rate of 13 percent. The original principal amount was ________.