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.

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blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.