Answer:
Apparent Increase in Wave Frequency
As the ambulance approaches you, the distance between the source of the waves and the observer decreases. Consequently, the siren sounds more shrill as the pitch of the wailing siren 'sounds' higher than its original value, as sound waves reach you 'more frequently'.
Step-by-step explanation
hope this helps
<span>The next number in this sequence would be 300 because you are multiplying by 10 each time.</span>
Answer:
3.12 meters each section
Step-by-step explanation:
See attachment
Answer:
$1.99 per pound
Step-by-step explanation:
5.97 / 3 = 1.99
Answer:
First one: 16 units^2
Second One: 15 units^2
Step-by-step explanation:
First One:
A=
Second One:
