A 2. A man standing
standing 150m before
a tower fires
gun and heard the echo 0.9 second later. Calculate the speed of the sound

The speed of the sound will be "16.67 m/s".

The given values are:

Distance,

Time,

As we know,

→

or,

→

By substituting the values, we get

→          

→          

Thus the above is the appropriate answer.

Learn more about distance and speed here:

link

Hello! For this excersice let's applicate the formula:

Data:

d = Distance = 150 m

v = Velocity = ¿?

t = Time = 0,9 s

Now, let's replace according the formula:

The velocity is 166,67 meters per second.

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west